Answer: A. Regular participation in physical activity reduces the risk of developing various diseases.
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Drug Enforcement Agency
Answer:
While your heart is a vital organ, the brain (and the nervous system that attaches to the brain) make up the most critical organ system in the human body. The human nervous system is responsible for coordinating every movement and action your body makes.
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Explanation:
Not only the tympanic membrane receves wavesounds it also equalizes the pressure with in
