What is the significance of the testes being located in scrotal sacs? [3 MARKS]

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Solution

Significance: 3 Marks

Sperms are produced in the testes at a temperature 2 to $3^{\circ} C$ lower than that of the body. This temperature is regulated in a strange manner through the movements of the scrotum wall. When it is too hot, the skin of the scrotum loosens so that the testes hang down away from the body. When it is cold, the skin contracts in a folded manner and draws the testes closer to the body for warmth.

If the testes fail to descend into the scrotum prior to birth, it may lead to sterility as the high temperature of the body does not permit maturation of sperms.

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Similar questions

What is the significance of the testes being located in scrotal sacs outside the abdomen? Can there be any abnormal situation regarding their location? If so, what is that and what is the harm caused due to it?

Q. In most mammals, testes are located in scrotal sacs for:

Q. In mammals, the testes lie in the scrotal sacs due to the

Q. Assertion: scrotal sac is located outside of the body
Reason: It helps to maintain the temperature of the testes.

Q. Why is it an advantage for the testes to be situated in the scrotal sac outside the main body cavity ? Can you think of one disadvantage ?

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