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Strategies for Reducing Infectious Diseases

Physical exer...

Question

Physical exercise improves the _________ system.

A

Reproductive

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B

Excretory

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C

Nervous

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D

Cardiovascular

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Solution

The correct option is C Cardiovascular
Physical exercise enhances or maintains physical fitness. It strengthens muscles and improves the cardiovascular system. Regular physical activity can also lower the blood pressure and improve the cholesterol levels. No physical activity results in increased risk of cardiovascular disease.
Therefore, the correct answer is option D.

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