Answer:
D) to break down oxygen entering the respiratory system
Explanation:
Because the function of mucus in the nasal cavity is warm, moisturize and filter air entering
Physical fitness is really good
Explanation:
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The right side pumps blood to the lungs
The left side pumps blood to the body
Answer:
The statement which states that it increases lactate build-up after exercise is not one of the benefits of improved flexibility.