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Human Health and Disease — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYHuman Health and Disease1 Mark
MCQ
Physical exercise improves the _________ system.
  • A
    Reproductive
  • B
    Excretory
  • C
    Nervous
  • D
    Cardiovascular
✓

Answer

  1. Cardiovascular

Explanation:

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.

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