Answer:
d Speed to transmission through ocular mediums
Explanation:
First one, stress. Second one, flight or flight response.
C value I think that is it
The circulatory system is also known as the cardiovascular system. They both allow blood to circulate throughout the body, transporting nutrients, oxygen, and carbon dioxide.
I hope this helps! :)
<span>a) keep your blood circulating
This is important!
</span><span>Helps your heart rate and breathing to return towards resting levels gradually.</span>