Answer:
If oxygen supply is depleted the muscle cells will respire anaerobically and release lactic acid and energy.
The accumulation of lactic acid , results in a pain in the muscles of the athlete.
Explanation:
I do believe the answer is B
Humans are warm blooded and can't be cold blooded because of the environment we live in. We can't sit still during the winter and soak up warmth from the sun.
The answer to this is passive hyperemia.
Answer: D
explanation: it’s proven that photosynthesis creates the energy for the plant and cellular respiration utilizes it.
hope this helps!