Contraction of the left ventricle propels _____ blood into the _____ for distribution to body tissues.Multiple choice question.oxygen-rich; aortaoxygen-rich, pulmonary trunkoxygen-poor; aortaoxygen-poor; pulmonary trunk
Question
Contraction of the left ventricle propels _____ blood into the _____ for distribution to body tissues.Multiple choice question.oxygen-rich; aortaoxygen-rich, pulmonary trunkoxygen-poor; aortaoxygen-poor; pulmonary trunk
Solution
The correct answer is "oxygen-rich; aorta".
Here's why:
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The left ventricle of the heart receives oxygen-rich blood from the left atrium, which has collected this blood from the lungs via the pulmonary veins.
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When the heart contracts during systole, the left ventricle pumps this oxygen-rich blood out.
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The blood is pumped into the aorta, which is the largest artery in the body.
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The aorta then distributes this oxygen-rich blood to the rest of the body via the systemic circulation.
Therefore, the contraction of the left ventricle propels oxygen-rich blood into the aorta for distribution to body tissues.
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