Fill in the blanks to complete the following statements.
(xv) Ventricles have ________ walls when compared with those of auricles.

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Solution

Heart:
The heart serves as a pumping organ that pumps blood to all parts of the body.
The human heart has four chambers namely:
Left auricle
Right auricle
Left ventricle
Right ventricle
Difference between auricles and ventricles:
The auricles receive blood from the lungs and other tissues.
The ventricles deliver blood to the lungs and other tissues.
Auricles have thin walls as they only receive blood to the heart.
Ventricles have thick muscular walls than auricles because the blood is meant to be pumped at high pressure to reach farther distances.
Ventricles have thick muscular walls when compared with those of auricles.

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Q. The ventricles have thick muscular walls whereas the auricles have thin walls. Why do you think thick muscular walls are necessary in the ventricles and not in the auricles?

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(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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(i) Ventricles have walls when compared with those of atria.

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Fill in the blanks to complete the following statements.(xv) Ventricles have ________ walls when compared with those of auricles.

Fill in the blanks to complete the following statements.
(xv) Ventricles have ________ walls when compared with those of auricles.