Question

In most mammals, the testes are located in scrotal sac for

• A. more space to visceral organs
• B. spermatogenesis
• C. sex differentiation
• D. independent functioning of kidney

Answer 1

Answer: (B)

spermatogenesis

Answer 2

In mammals, scrotal sacs (containing testes) act as thermoregulator, maintaining the temperature of the testes $2^? C$ lower than that of the body. This temperature is required for the spermatogenesis to occur, otherwise, the sperms could be destroyed by high temperature, resulting in sterility.