Answer:
yes all living things[animals and plants ] have their own cells
Explanation:
hav a nice day :}
Answer:
The respiratory centers that control your rate of breathing are in the brainstem or medulla. The nerve cells that live within these centers automatically send signals to the diaphragm and intercostal muscles to contract and relax at regular intervals.
(hope it helped)
Explanation:
Extra oxygen as your blood and heart starts pumping more blood into the body.
w/o sufficient oxygen lactic acid will form
