During exercise, we undergo respiration. Therefore, we need oxygen and release carbon dioxide and water as waste products. When exercise become vigorous, we only run on anaerobic respiration with little oxygen, then lactic acid becomes a waste product instead of carbon dioxide and water. This occurs due to incomplete breakdown of glucose.
Best answer is C. lactic acid.
Answer:
Stopping all use of a product immediately
Explanation:
Option C (3)
The first test is the heart
Answer:
A
Explanation:
Exercise is important for your body to function and will make you much healthier when you are older