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.
Answer:
Aerobic exercise
Explanation:
They can improve your cardiovascular health, help you control your weight and give you more stamina and energy. Examples of low-impact aerobic exercises that are easier on your joints include walking, bicycling, swimming and using an elliptical machine.
plz mark me as brainliest :)
The answer is the third one! i learned it in class