AP BIOLOGY

Detailed explanation-1: -Testosterone is a sex hormone that plays important roles in the body. In men, it’s thought to regulate sex drive (libido), bone mass, fat distribution, muscle mass and strength, and the production of red blood cells and sperm.

Detailed explanation-2: -Testosterone is the major sex hormone in males and plays a number of important roles, such as: The development of the penis and testes. The deepening of the voice during puberty. The appearance of facial and pubic hair starting at puberty; later in life, it may play a role in balding.

Detailed explanation-3: -Male reproductive hormones, such as testosterone, help develop and maintain male sex characteristics and help make sperm in the testes.

Detailed explanation-4: -It is an androgen, meaning that it stimulates the development of male characteristics. Present in much greater levels in men than women, testosterone initiates the development of the male internal and external reproductive organs during foetal development and is essential for the production of sperm in adult life.

Detailed explanation-5: -Testosterone is the hormone that causes boys to develop deeper voices, bigger muscles, and body and facial hair. It also stimulates the production of sperm. Alongside the testicles are the epididymis and the vas deferens, which transport sperm.