Which of the following statements are true about the human heart
i)heart is a mucular organ which is as big as our fist
ii)left atrium transfers oxygenated blood to right ventricle which sends it to different body parts
iii)heart's upper two chambers are called atria and lower two chambers are called ventricles
iv)atria have thicker muscular walls than the ventricles do
A. (i) and ii)
B. (ii) and iii)
C. (ii) and iv)
D. (i) and iii)
Answers
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Answer:
The correct answer of this question is option C,ii and iv. Explanation: Human heart mainly refines our blood for the best performance of our whole circulatory system. Our heart has total four chambers,two ventricles and two atriums.
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Answer:
D. (i) and iii)
Explanation:
2)Left atrium receives oxygenated blood from different parts of body, while right atrium receives deoxygenated blood from lungs.
4)The ventricles of the heart have thicker muscular walls than the auricles. This happens because the blood from the ventricles of the heart is pumped out of the heart at greater pressure compared to the auricles. The ventricles are responsible for pumping blood to various parts of our body
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