EVERYDAY SCIENCE

Detailed explanation-1: -The testes secrete testosterone, which is necessary for proper physical development in boys. In adulthood, testosterone maintains libido, muscle strength, and bone density. Disorders of the testes are caused by too little testosterone production.

Detailed explanation-2: -Testosterone is indispensable for sperm production, however both testosterone and Follicle Stimulating Hormone (FSH) are needed for optimal testicular development and maximal sperm production.

Detailed explanation-3: -Testosterone is a hormone that your gonads (sex organs) mainly produce. More specifically, the testicles in people assigned male at birth (AMAB) and the ovaries in people assigned female at birth (AFAB) produce testosterone.

Detailed explanation-4: -The main hormone secreted by the testes is testosterone, an androgenic hormone. Testosterone is secreted by cells that lie between the seminiferous tubules, known as the Leydig cells.

Detailed explanation-5: -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. A small amount of circulating testosterone is converted to estradiol, a form of estrogen.