Some students were discussing running the mile in PE. The students all agreed that the cardiovascular system was very important but they could not agree on what other system was important.



Which of the following claims and reasoning would be MOST beneficial in their argument? (AKS 2b)



A.
Student 2 said the digestive system was also important because it breaks down waste produced by running, which the cardiovascular system transports to all the cells.



B.
Student 3 said the immune system was also important because it releases sweat from the body while running, which the cardiovascular system will transport away from all the cells.



C.
Student 1 said the respiratory system was also important because it brings oxygen into the body while running, which the cardiovascular system transports to all the cells.



D.
Student 4 said the muscular system was also important because it produces nutrients in the body while running, which the cardiovascular system will transport away from all the cells.

Answers

Answer 1

Answer:

C

Explanation:


Related Questions

Which region is located between 60-90N and 60-90S?
Mid-Lats
Polar
Tropics
Tropical Rainforest

Answers

Answer:

The correct option is Polar

Explanation:

The polar region/arctic are located/extend from 66.5 degrees N (north) and also S (south) latitude to the north and south poles of the earth. From this, it can be deduced that the polar region is located between 60-90 degrees of N and 60-90 degrees of S.  Polar regions are far from the equator as a result of this and are characterized by very low solar radiation.

Polar or artic region is located between the coordinates 60-90N and 60-90S. The polar regions are extremely far away from the equator, which is situated at 0-degrees latitude.

The correct answer is:

Option B. Polar

The polar region is defined as the region situated 60-degrees north or south of the equator. The solar radiation in the polar region ranges from only 18 hours and 5 hours during winters.

The middle latitudes are situated between 30N and 30S of the equator. It is characterized by moderate sunlight.

Tropics or tropical rainforests are situated near the equator and usually experience a warm climate.

Therefore, option B is correct.

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What would happen to the concentrations of
Pyruvate, NADH and intermembrane H+ if the ETC
stopped working?

Answers

Answer:

Stay the Same, Increase, Decrease

Explanation:

Glycolysis produces pyruvate which is functioning normally if only the ETC (electron transport) stopped working because the ETC happens AFTER glycolysis, hence pyruvate is being produced and used at a normal rate (no change). NADH is produced in the cellular respiration stage PRIOR to the ETC so it is being created at a normal (or average) rate, however, it is not being used and split properly (meaning, not enough) in the ETC stage hence it's concentration increases. H+ decreases because it cannot be made if the prior step(s) were not complete.

What would happen to the concentrations of pyruvate, NADH and intermembrane H+ if the ETC stopped working are:

Pyruvate would stay the same and not be affected.that is it would remain the same.NADH would increaseH+ in the intermembrane would decrease.

The concentration of the Pyruvate would not be affected If ETC stopped working and so this will make NADH would increase. Due to the fact that there is no electrons been transported down the chain, so therefore, no H+ would be moved and this in turn would make the concentration of H+ in the intermembrane space to reduce.

Conclusively, we can therefore say that what would happen to the concentrations of pyruvate, NADH and intermembrane H+ if the ETC stopped working are:

Pyruvate would stay the same and not be affected.that is it would remain the same.NADH would increaseH+ in the intermembrane would decrease.

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A pair of fruit flies reproduces and has 1000 offspring. All 1000 offspring have the alleles Gg. What is the most likely combination of alleles that each parent has, and why are other combinations not likely.

Answers

Answer:

The correct answer would be - GG and gg.

Explanation:

As it is given that all the 1000 offspring having the same allele Gg which is only possible in one condition that is cross between GG and gg because it is a heterozygous condition in the offspring. So there must be both allele present and it can not be heterozygous parents as there would be a different combinations of offspring in that case.

If the parents either GG only all the offspring would be GG the same with gg than all the offspring will be gg, thus the correct answer would be GG and gg.

What is the correct formula for photosynthesis?

6CO 2 + 12H 2O ---> C 6H 12O 6 + 6O 2
C 6H 12O 6 + 6O 2 + 6H 2O ---> 6CO 2 + 12H 2O
6CO 2 + 12H 2O ---> C 6H 12O 6 + 12O 2
12H 2O + C 6H 12O 6 --->6CO 2 + 3O 2 + 3H 2O

Answers

Answer:

Photosynthesis is a process by which plants and photosynthetic bacteria obtain their food in presence of sunlight from water and carbon dioxide. They produce glucose as the food and oxygen is emitted as the byproduct. The equation for photosynthesis is - 6CO

2

+12H

2

O→C

6

H

12

O

6

+6H

2

O+6O

2

↑.

Thus, the correct answer is 'Photosynthesis.'

Explanation: hope this helps!

what process produces sex cells (sperm and egg)?

Cellular Respiration
Osmosis
Meiosis
Mitosis

Answers

meiosis produces sex cells!
Meiosis. A human cell are produced by a two- part cell division process called meiosis

We must breath in__ so our cells can gain more___

Answers

Answer:

oxygen ,energy

Explanation:

We must breath in oxygen so cellular respiration can occur and our cells can gain more ATP (energy) to function.

Cells need energy from the food we eat to to do it’s job such as beating the heart, but the cells cannot work without energy from cellular respiration. Cellular respiration requires glucose and oxygen to create carbon dioxide, water, and ATP.

what is a substance that increases the hydrogen ion concentration in a solution.

Answers

Answer:

Explanation:

Acid. is a substance that increases the hydrogen ion concentration in a solution.(hight H+ concentrations) ~When hydrochloric acid is added to water, hydrogen ions dissociate from chloride ions: HCl -> H+ + Cl− ~Addition of an acid makes a solution more acidic.

Respiration is the process in which organisms break down food to release ____.
a.
energy
c.
sugar
b.
nutrients
d.
oxygen

Answers

Answer: a.  energy!!!

Explanation:

It's me again!! Hope this helped!! :D  

Answer:

Sugar

Explanation:

I am not completely sure but correct me if I am wrong. Through the process of cellular respiration, the energy in food is converted into energy that can be used by the body's cells. During cellular respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP.

Hope it helps!!!!

A student is comparing two solutions. Solution A has a pH of 4 and solution B has a pH of 10. Which best describes the solutions?

Solution B is more acidic than solution A.
Solution A is more acidic than solution B.
Solution B has more hydrogen ions than solution A.
Solution A has more hydroxide ions than solution B.

Answers

Answer:

Solution A is more acidic than Solution B

Explanation:

Answer:

The answer is B

Explanation:

I took the test and got it right :)

1. Briefly describe what is happening at each phase of
meiosis.

Answers

Answer:

Chromosomes condense. Metaphase II: Chromosomes line up at the metaphase plate. Anaphase II: Sister chromatids separate to opposite ends of the cell. Telophase II: Newly forming gametes are haploid, and each chromosome now has just one chromatid.

Predict how a lack of resources (food, water, shelter) would influence population size. Do you think the lack of availability would increase or decrease the size of a population? Why?

Answers

Answer:

a lack of resources would most likely decrease a population size because it will limit growth and decrease survival rates. There will also be more competition.

Explanation:

Please don't plagiarize. Thanks :)

everyone would
Die so population size would



Decrease
so BecAuse oRgansisms need population food and water and house to suvrbive

PLS HELP ANSWER I WILL DO THE BEG

Answers

B. is the correct answer. through mutation and sexual reproduction

Answer:

its bbbbbbbbbbb

Explanation:

The proteins found in your hair and fingernails would be classified as what type of proteins?

Answers

Answer:

yes

Explanation:

creatine like horns of rhinos or finger nails

Answer:

Keratinocytes

Explanation:

Keratinocytes make keratin, a type of protein that's a basic component of hair, skin, and nails. Keratin in the skin's outer layer helps create a protective barrier.

what force pulls down the top of a wave

Answers

Answer:

wind whips it up and gravity pulls it down.

Explanation:

help asap its either a c or d​

Answers

Answer:

A) Simple Diffusion

Explanation:

Facilitated diffusion has a protein channel, while simple does not. If its not A, then its definitely D, no doubt

I have a huge test tomorrow and I need to know every thing about Cells, like the eukarotic cell, i need to know the cell membrane, and osmosis.

Answers

Answer:

look it up or ask your friends to look it upmaybe?

Explanation:

Answer:

Cell Definition

“A cell is defined as the smallest, basic unit of life that is responsible for all of life’s processes.”

Cells are the structural, functional, and biological units of all living beings. A cell can replicate itself independently. Hence, they are known as the building blocks of life.  

Each cell contains a fluid called the cytoplasm, which is enclosed by a membrane. Also present in the cytoplasm are several biomolecules like proteins, nucleic acids and lipids. Moreover, cellular structures called cell organelles are suspended in the cytoplasm.

Types of Cells.Prokaryotic Cells

Prokaryotic cells have no nucleus. Instead, some prokaryotes such as bacteria have a region within the cell where the genetic material is freely suspended. This region is called the nucleoid.

They all are single-celled microorganisms. Examples include archaea, bacteria, and cyanobacteria.

The cell size ranges from 0.1 to 0.5 µm in diameter.

the hereditary material can either be DNA or RNA.

Prokaryotes reproduce by binary fission, a form of sexual reproduction.

Eukaryotic Cells

Eukaryotic cells are characterised by a true nucleus.

The size of the cells ranges between 10–100 µm in diameter.

This broad category involves plants, fungi, protozoans, and animals.

The plasma membrane is responsible for monitoring the transport of nutrients and electrolytes in and out of the cells. It is also responsible for cell to cell communication.

They reproduce sexually as well as asexually.

There are some contrasting features between plant and animal cells. For eg., the plant cell contains chloroplast, central vacuoles, and other plastids, whereas the animal cells do not.

Functions of Cell:Provides Support and StructureFacilitate Growth MitosisAllows Transport of SubstancesEnergy ProductionAids in ReproductionCell Membrane The cell membrane supports and protects the cell. It controls the movement of substances in and out of the cells. It separates the cell from the external environment. The cell membrane is present in all the cells. The cell membrane is the outer covering of a cell within which all other organelles, such as the cytoplasm and nucleus, are enclosed. It is also referred to as the plasma membrane. By structure, it is a porous membrane (with pores) which permit the movement of selective substances in and out of the cell.  Besides this, the cell membrane also protects the cellular component from damage and leakage. It forms the wall-like structure between two cells as well as between the cell and its surroundings. Plants are immobile, so their cell structures are well-adapted to protect them from external factors. The cell wall helps to reinforce this function.What is Osmosis?

Osmosis is a passive process and happens without any expenditure of energy. It involves the movement of molecules from a region of higher concentration to lower concentration until the concentrations become equal on either side of the membrane.

Any solvent can undergo the process of osmosis including gases and supercritical liquids.

Osmotic Solutions There are three different types of solutions:

An isotonic solution: is one that has the same concentration of solutes both inside and outside the cell.

A hypertonic solution: is one that has a higher solute concentration outside the cell than inside.

A hypotonic solution; is the one that has a higher solute concentration inside the cell than outside.

Effect of Osmosis on Cells

Osmosis affects the cells differently. An animal cell will lyse when placed in a hypotonic solution compared to a plant cell. The plant cell has thick walls and requires more water. The cells will not burst when placed in a hypotonic solution. In fact, a hypotonic solution is ideal for a plant cell.

An animal cell survives only in an isotonic solution. In an isotonic solution, the plant cells are no longer turgid and the leaves of the plant droop.

The osmotic flow can be stopped or reversed, also called reverse osmosis, by exerting an external pressure to the sides of the solute. The minimum pressure required to stop the solvent transfer is called the osmotic pressure

Significance of Osmosis Osmosis influences the transport of nutrients and the release of metabolic waste products.It is responsible for the absorption of water from the soil and conducting it to the upper parts of the plant through the xylem. It stabilizes the internal environment of a living organism by maintaining the balance between water and intercellular fluid levels. It maintains the turgidity of cells. It is a process by which plants maintain their water content despite the constant water loss due to transpiration. This process controls the cell to cell diffusion of water. Osmosis induces cell turgor which regulates the movement of plants and plant parts. Osmosis also controls the dehiscence of fruits and sporangia. Higher osmotic pressure protects the plants against drought injury.

Where are the protons located?
O nucleus
O electron cloud

Answers

Answer: The nucleus.

Explanation: In an atom, there are two main parts, the nucleus and the electron cloud/electron shells. The protons and neutrons are located in the nucleus, and the electrons are located in the electron shells/cloud/whatever.

Which correctly describes the role of histones in eukaryotic cell division?

a) Histones connect sister chromatids.
b) Histones protect the ends of chromosomes.
c) Histones keep the DNA compact and organized.
d) Histones copy the DNA before division begins.

Answers

Histones copy the DNA before division begins is the correct role of histones.

What is Histone?

A chromosome's structural support is provided by a protein called a histone. Long DNA molecules found on each chromosome must fit into the cell nucleus.

To do it, the DNA wraps around complexes of histone proteins, giving the chromosome a more compact form. Additionally, histones are involved in the control of gene expression.

A nucleosome, which is made up of eight histone proteins, can exist. DNA can loop around a nucleosome much like a small spool. Thus, histones are crucial in maintaining the genome's order and neat wrapping inside a cell.

Therefore, Histones copy the DNA before division begins is the correct role of histones.

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#SPJ6

Write a news story of road accident​

Answers

Answer:

15 Killed, 28 Injured in a Bus accident

The bus was going to Nagpur in that the another bus came and crash to the another bus. In this accident 15 people were Killed and 28 peoples are injured.

According to police the people in the Bus, was the people's of a Nagpur. in this accident the police has Declared that there is no mistake of Driver in this accident.

The transport minister of Maharashtra Diwakar Raote Introduced that government will give 2 lakhs rupees to injured family. and 3 lakhs to dead families.

Help plz asappppppppp

Answers

Answer:

A. Whales evolved from four-legged animals.

Explanation:

I'm 100% on this one, because on Plato we were learning about evolution, and one of the slides said that whale had evolved from four legged animals.

Hope this helps ya!!!

Got a screenshot for proof!

A is correct answer

Where are the tectonic plates located?

Answers

Answer:

The outermost part of Earth's structure is known as the lithosphere. The lithosphere consists of the crust and small portion of the upper mantle. The lithosphere is divided into a number of tectonic plates. These plates move and interact with one another, driven by convectional forces within the Earth.

Explanation:

Dominic and Eva are using the same type of stopwatches to measure the time it takes for a chemical reaction to occur. They each use the same stopwatch to measure the time. These are their results: Person Trial 1 Dominic 78 seconds Eva 81 seconds Why are their results unreliable and can lead to a pseudoscientific claim? Group of answer choices They did not repeat their tests multiple times. They used the same type of stopwatch. They did not change the reactants in their chemical reactions. Only one person should have collected the data. Quiz saved at 10:43am Questions AnsweredQuestion 1 AnsweredQuestion 2 AnsweredQuestion 3 AnsweredQuestion 4 Haven't Answered YetQuestion 5 Time Elapsed: Hide Attempt due: Sep 25 at 11:59pm

Answers

Answer:

The correct answer is - They did not repeat their tests multiple times

Explanation:

If a scientific process or practice which is fundamentally based on believes or idea that has no valid evidence and not proved scientifically, such type scientific process called Pseudoscience or the false science.

In this case, Both Dominic and Eva performed experiments and recorded different time periods by the same stopwatch for the same chemical reaction.

This could result in an error in the data they get and affect the conclusion or results. To avoid this experiment must be repeated to be sure of the result and eliminate errors.

Answer:

They did not repeat their tests multiple times

Explanation:

Shannon is making a Venn diagram to organize the characteristics of cell walls and cell membranes. Which pair of characteristics both belong in the two areas of the Venn diagram that do not intersect?

Answers

Answer:

its b

Explanation:

Answer: B) Contains mostly cellulose; forms the outer layer of animal cells.

Explanation:

nya

How do vaccinations work to provide immunity? and What body system regulates blood glucose levels? (For a Biology exam)

Thanks :)

Answers

Answer:

it trains the body immunity towards certain diseases

Explanation:

first of all we humans have two types of wbc cells phagocytes & lymphocytes. phagocytes produces pseudopodia which is like cytoplasm that traps or catches bacteria or viruses. lymphocytes produces chemical antibodies which destroy the viruses or bacteria by attaching to the virus and burst it out. Now when u get vaccinated u train those wbc cells for future viruses and hepl them to make antibodies to defend the body.

The blood glucose gets regulated by production of insulin in pancreas to maintain proper amount of glucose in the body

I need help on those two questions

Answers

6-C (breaks off)
7-C(they secrete acid that breaks away rocks)

In a chemical reaction, which aspect of the reactants changes?(1 point)
A. atoms
B. mass
C. nuclei
D. total mass

Answers

i believe it would be B. mass

chemical reaction- The process by which atoms of one or more reactants are rearranged to form different products is called chemical reaction.

Reactants - reactants are the starting materials that undergo changes during a chemical reactionProducts- a product is a substance that is formed as the result of a chemical reaction.

         as example a figure is provided below.

so the answer is Atoms of the reactants which changes in a chemical reaction.

Nucleotides are to ___
as ____
are to proteins.

O nucleic acids; amino acids

O amino acids; polypeptides

O genes; enzymes

O polymers; polypeptides

Answers

Answer:

Your answer is A). Nucleotides make up nucleic acids like DNA and RNA, and a protein is a chain of amino acids.

Nucleotides are to nucleic acids as amino acids are to proteins.

In the given fill-in-the-blanks, we are required to determine and identify which parts correspond with the given words.

Nucleotides are a "nucleoside and a phosphate" combination constituting the monomeric unit of nucleic acids. They have numerous metabolic roles and are also essential for DNA replication and RNA transcription. Amino acids are the building blocks of proteins and are an important component of our bodies. As given above, we can now ascertain that nucleotides and nucleic acids are related while amino acids are to proteins.

With the requirement to join the corresponding 'elements' with each other, we can understand and identify the words and the blanks by determining the constituent of each element. And by doing that, we can safely say that nucleotides make up nucleic acids like amino acids are for proteins. Thus, the correct answer is the first option.

Learn more about nucleotides here:

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Which of the four prokaryotes listed below is the most efficient?
A. facultative aerobes
B. obligate anaerobes
C. aerotolerant organisms
D. obligate aerobes

Answers

Answer:

B

Explanation:

2. Which of the following are REACTANTS in PHOTOSYNTHESIS? ​

Answers

Answer:

Carbon dioxide, sunlight and water

Explanation:

that is right

Chromosomes create genes true or false

Answers

Answer:

false

Explanation:

genes are made up from dna and are created from viruses or inherited from our parents

Hope this helped! Have a good day!

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