Answer:
Hay
Explanation:
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what are two ways in which white blood cells fight pathogens that have enterd the body
Answer:
If a pathogen enters your body, white blood cells of your immune system quickly recognise its foreign antigens. This stimulates specific lymphocytes to grow, multiply and finally produce antibodies that will stick to the antigens on the invading pathogens and destroy them.
Explanation:
The dorsal root in a reflex arc receives signals from
Answer:
stimulus
Explanation:
A reflex arc starts when the receptor receives a stimulus and initiates an impulse. The impulse moves along a sensory neuron through the dorsal root and into your spinal column where it then passes to an interneuron.