I believe c is the correct answer.
It pumps the blood in and out of the heart. If I remember right I think that’s it.
Answer:
B
Explanation:
im not entirely sure and if im wrong i apologize
You should drink more water than other drinks for example soda like they said ^ but yes I agree . Even tho there times I don't :-)
Answer:
this is the answer i thinl :)
Explanation:
Cardiorespiratory endurance is the level at which your heart, lungs, and muscles work together when you're exercising for an extended period of time. ... Your lungs and heart are able to better use oxygen. This allows you to exercise for longer periods without getting tired.?