7th Class Science Transportation in Animals and Plants Question Bank Transportation in Living Beings

  • question_answer
    The walls of left ventricle of the heart is thicker than the right ventricle Which of the following is the correct reason about the given statement?

    A)  Because it contains more blood.

    B)  So that more haemoglobin can reach the brain.

    C)  Because when blood is pumped, a strong pressure acts on it.

    D)  So that deoxygenated blood can reach every part of the body.

    Correct Answer: C

    Solution :

    The walls of left ventricle of the heart is thick to withstand blood pressure.


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