Answer:
we need your data and your info about circulatory and respiratory systems
Explanation:
comments!
I think you did some activity where you kept track of your heart rate and based on your knowledge of the circulatory and respiratory system you need to explain how your heart rate changed and why your heart rate changed.
B is it the answer good luck
Take your time and breathe
2,500 is the answer hope this helps.
Can i have brainlist
The answer is A.
Hope this helps. :)
