In human males, the testes lie in the scrotum, because it helps in the

The correct option is B

formation of sperm

The correct option is B.

Explanation for correct option:

1. The testes produce the haploid gamete in the males known as sperm.
2. The testes also produce a hormone for secondary sexual characteristics known as testosterone.
3. The normal human body temperature is too high for the formation of sperms.
4. Hence. testes remain suspended in the sac called scrotum outside the body.
5. This helps in the formation of the sperms.

Final answer: In human males, the testes lie in the scrotum, because it helps in the formation of sperm.