MICROANATOMY

URINARY SYSTEM AND MALE FEMALE REPRODUCTIVE SYSTEMS

MALE REPRODUCTIVE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the function of the protective pouch that covers the testicles?
A
Scrotum
B
used to regulate the temperature in the testes
C
testes
D
produces sperm cells and semen
Explanation: 

Detailed explanation-1: -The function of the scrotum is to protect the testes and to keep them at a temperature several degrees below the normal body temperature. The scrotum thus protrudes from the body wall: moreover, it contracts from cold, exercise, or sexual stimulation and expands and relaxes when warm.

Detailed explanation-2: -The temperature is controlled by scrotal movement of the testes away or towards the body depending on the environmental temperatures. Moving the testes away from the abdomen and increasing the exposed surface area allow a faster dispersion of excess heat.

Detailed explanation-3: -First, it produces spermatozoa, the male gametes. Second, it synthesizes testosterone, the principal male sex hormone.

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