Assertion: Walls of the ventricles are generally thicker than that of the atria.
Reason: Ventricles pump blood to different organs with high pressure.

Both A and R are true and R is the correct explanation of A.

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Both A and R are true but R is not a correct explanation of A

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A is true but R is false

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A and R are false

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Solution

The correct option is A Both A and R are true and R is the correct explanation of A.
Ventricles have thicker walls than atria because they have to pump blood to different organs with high pressure while atria just receive blood from other parts of the body.

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Similar questions

The walls of ventricles are much thicker than atria. Explain.

Q. Assertion :Atria act as primer pumps that increase the ventricular pumping. Reason: About 80 percent of the blood flows directly through the atria into ventricles.

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How do you account for the following differences?
(a) The left ventricle has thicker walls than the right ventricle.
(b) The walls of the right ventricle are thicker than those of the right auricle.

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Assertion: Walls of the ventricles are generally thicker than that of the atria. Reason: Ventricles pump blood to different organs with high pressure.

The correct option is A Both A and R are true and R is the correct explanation of A.Ventricles have thicker walls than atria because they have to pump blood to different organs with high pressure while atria just receive blood from other parts of the body.

Assertion: Walls of the ventricles are generally thicker than that of the atria.
Reason: Ventricles pump blood to different organs with high pressure.

The correct option is A Both A and R are true and R is the correct explanation of A.
Ventricles have thicker walls than atria because they have to pump blood to different organs with high pressure while atria just receive blood from other parts of the body.