Question

The testes in humans are situated outside the abdominal cavity inside a pouch called scrotum. The purpose served is for

• A. Escaping any possible compression by the visceral organs
• B. Maintaining the scrotal temperature lower than the internal body temperature
• C. Providing a secondary sexual feature for exhibiting the male sex
• D. Providing more space for the growth of epididymis

Answer 1

The correct option is B

Maintaining the scrotal temperature lower than the internal body temperature

The correct option is B.

Explanation of the correct option:

1. Scrotum is the bag of skin that holds and helps to protect the testes of men.
2. For spermatogenesis (sperm production), the temperature of the testes needs to be lower than the body temperature.
3. The normal internal body temperature of human is 37 ℃.
4. The scrotum helps in maintaining the temperature of testes to about 2-2.5 ℃ below the internal body temperature.

Final answer: The testes in humans are situated outside the abdominal cavity inside a pouch called scrotum. The purpose served is for maintaining the scrotal temperature lower than the internal body temperature.