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NEET Biology Body Fluids and Circulation / शरीर के तरल पदार्थ और परिसंचरण Question Bank Self Evaluation Test - Body Fluids and Circulation

  • question_answer
    A heart attack occurs when:  

    A) A heart valve malfunctions.

    B) A coronary artery is blocked.

    C) The heart is weakened by overwork.

    D) The aorta is blocked.

    Correct Answer: B

    Solution :

    [b] A heart attack occurs when coronary artery is blocked. In it, the heart muscle is suddenly damaged by inadequate blood supply


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