Why Must the Muscles of the Left Ventricle Be the Strongest

question 34

Multiple Choice

Why must the muscles of the left ventricle be the strongest ones in the heart?

• A) The mitral (bicuspid)valve is larger than the aortic valve.
• B) The left ventricle receives blood under high pressure from the pulmonary system.
• C) The pressure in the aorta is higher than the pressures elsewhere in the circulatory system.
• D) Blood in the left ventricle is oxygenated,making it thicker and harder to move than deoxygenated blood.

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