In which of the following vertebrate group/groups, heart does not pump oxygenated blood to different parts of the body?

Pisces and amphibians

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Amphibians and reptiles

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Amphibians only

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Pisces only

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Solution

The correct option is D Pisces only
Fish have a single circulatory pattern, wherein the blood passes through the heart only once during each complete circuit. Oxygen-deprived blood from the body tissues comes to the heart, from where it is pumped to the gills. The gaseous exchange happens within the gills, and the oxygenated blood from the gills is circulated throughout the body. On the other hand, in mammals, the deoxygenated blood enters the heart, from where it is pumped into the lungs for oxygenation. The oxygenated blood returns to the heart from the lungs, to be transported throughout the body.

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Q. In which of the following vertebrate group/groups, the heart does not pump oxygenated blood to different parts of the body?

Q. In which of the following vertebrate group/groups, oxygenated blood is not pumped by the heart to different parts of the body?

Question 20
In which of the following vertebrate group/groups, the heart does not pump oxygenated blood to different parts of the body?

(a) Pisces and amphibians
(b) Amphibians and reptiles
(c) Amphibians only
(d) Pisces only

Q. Which of the following statement (s) is (are) true about heart?
(i) Left atrium receives oxygenated blood from different parts of the body while right atrium receives deoxygenated blood from lungs.
(ii) Left ventricle pumps oxygenated blood to different body parts while right ventricle pumps deoxygenated blood to lungs.
(iii) Left atrium transfers oxygenated blood to right ventricle which sends it to different parts of the body.
(iv) Right atrium receives deoxygenated blood from different parts of the body while left ventricle pumps oxygenated blood to different parts of the body.

Q. Assertion: Left ventricle pumps oxygenated blood to different body parts while the right ventricle pumps deoxygenated blood to the lungs.
Reason: Right atrium receives deoxygenated blood from different parts of the body while the left ventricle pumps oxygenated blood to different parts of the body.

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