Multiple choice

Mitral (bicuspid) valve in mammals guard the opening between

  1. left auricle and left-ventricle

  2. pulmonary vein and left auricle

  3. stomach and intestine

  4. liver and spleen
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A Correct answer
Explanation

The mitral (bicuspid) valve is located between the left atrium (auricle) and left ventricle of the heart. It prevents backflow of blood from the left ventricle to the left atrium when the ventricle contracts, ensuring one-way flow toward the aorta.

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