Answer: To maintain Cellular respiration
Explanation:
The body must take in oxygen so that the blood cells can absorb it. This allows the blood cell to release CO2. Therefore, Inhaling oxygen is necessity for maintaining cellular respiration.
Vitamins ? Let me know if I'm right :) hope this helps some !
When you are trying to plan for safe exercise goals make sure you are not exercising to much and make sure you are eating and drinking healthy never skip a meal eat 3 times a day and you will be good
