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Body Fluids and Circulation — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYBody Fluids and Circulation1 Mark
MCQ
Heart failure occurs due to:
  • A
    Heart stops beating.
  • B
    Damage of heart muscles.
  • C
    Congestion of lungs.
  • D
    All of the above.
✓

Answer

  1. Congestion of lungs.

Explanation:

Heart failure occurs when heart stops pumping blood effectively enough to meet the body needs.

It occurs mainly due to congestion of lungs.

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