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Why the testes in human are situated out...

Why the testes in human are situated outside the abdominal cavity within a pouch called scrotum?

A

Glands

B

Scrotum

C

Testicular Lobules

D

Seminiferous Tubules

Text Solution

Verified by Experts

The correct Answer is:
B
A pair of tests is situated outside the abdominal cavity within a pouch called scrotum.The scrotum helps in maintaining the low temperature of the testes (2-2.5o C lower than the normal internal body temperature) necessary for spermatogenesis.
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Why the testes in human beings and mammals are situated outside the abdominal cavity within a pouch called scrotum ?

Assertion : The testes are situated outside the abdominal cavity within scrotum . Reason : Lower temperature for the testis is necessary for spermatogenesis.