📊 Biology
Q. Which organ primarily regulates blood pressure?
  • (A) Lungs
  • (B) Heart
  • (C) Liver
  • (D) Kidneys
✅ Correct Answer: (B) Heart

Explanation: The heart pumps blood, creating the pressure needed to circulate it through the body.

Explanation by: Roshan
The heart pumps blood, creating the pressure needed to circulate it through the body.

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