The prolonged increase in heart and breathing rates during the snow skiing trip was probably a result of:______

a. activation of the sympathetic autonomic nervous system by the new experience.
b. activation of the parasympathetic autonomic nervous system by the new experience.
c. hypoxia caused by insufficient blood hemoglobin concentration to supply oxygen for exercise at the low oxygen pressure found at high altitudes.
d. depressed core body temperature (hypothermia) caused by exposure to cold temperatures at high altitudes.

Answers

Answer 1

Answer:

The correct answer is - option C.

Explanation:

Skiing generally happens on higher altitudes such as mountains. It is known that there is less oxygen is available at higher altitudes. There is low oxygen pressure at such height.

The prolonged increase in heart and breathing rate is due to less oxygen available for the cells. This condition is known as hypoxia caused by insufficient blood hemoglobin to supply oxygen for physical activities at higher altitudes.


Related Questions

Which of the following are characteristics of Ascomycota? Check all that appply. PLEASE HELP!!

Answers

Answer:

2.spores produced in the ascus

4.important in the food industry

6.can cause disease in plants

Explanation:

Answer:

spores produced in the ascus

important in the food industry

important in the digestion of animals (leafcutter ants for one)

can cause disease in plants (dutch elm disease)

can cause disease in animals (candidiasis for one)

Explanation:

where is the most energy stored in the ATP molecule stored

Answers

Energy is stored in the covalent bonds between phosphates

A)x-linked
B)No answer text provided
C)recessive
D)dominant

Answers

Answer:

D)dominant

Explanation:

The correct answer is D) dominant

What happens after Telophase?
&
36/86
>
C

Answers

Answer:

The chromosomes begin to uncoil, which makes them diffuse and less compact. Along with telophase, the cell undergoes a process called cytokinesis that divides the cytoplasm of the parental cell into two daughter cells.

How are gymnosperm seeds and angiosperm seeds different?

Answers

Answer:

angiosperms have seeds that are closed within an ovary, gymnosperms have no flowers or fruits, and have unenclosed seeds on the surface of scales or leaves

For tetracycline , describe an experiment that you could
use to determine if a bacterial sample taken from a person was
resistant to your antibiotic. Be sure to describe all steps of the
experiment including your independent, dependent and control
variables.

Answers

Answer:

penicillin was the first antibiotic discovered. Alexander Fleming discovered it in 1928. It was used widely during World War II. However, the sulfonamides were the first antibiotic class used clinically (in the 1930's). The discovery of antibiotics revolutionized medicine by making once-deadly infections treatable. There are now hundreds of antibiotics, classified into several categories. These antibiotic classes include:

Explanation:

sana makatulong!

The Earth is the only planet known to support life. Which of the following is a major contributing factor to the Earth's ability to support
life?

A) The Earth has a magnetic field with north and south poles

B) The earth has an iron-rich core and is made mostly of rock

C) The Earth orbits the Sun and is orbited by the moon

D) The Earth is surrounded by a layer of air that includes oxygen

Answers

Answer:) The Earth has a magnetic field with north and south poles

Explanation:

what is Otis’s gene versions for body color

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Answer:

giao

Explanation:

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