Which organ produces a male sex hormone called testosterone?

Which organ produces a male sex hormone called testosterone?

• A. Ovaries
• B. Testicles
• C. Pancreas
• D. Thyroid

Answer: (B)

Testosterone is the primary male sex hormone produced mainly by the testes. Specialized cells in the testes, called Leydig cells, make testosterone in response to signals from the pituitary gland (luteinizing hormone). This hormone drives male sexual development and supports sperm production. The other organs listed don’t serve as the main source of testosterone: ovaries mainly produce estrogen and progesterone; the pancreas makes insulin and digestive enzymes; the thyroid releases hormones that regulate metabolism. So, the testes are the correct source of testosterone.

Testosterone is the primary male sex hormone produced mainly by the testes. Specialized cells in the testes, called Leydig cells, make testosterone in response to signals from the pituitary gland (luteinizing hormone). This hormone drives male sexual development and supports sperm production. The other organs listed don’t serve as the main source of testosterone: ovaries mainly produce estrogen and progesterone; the pancreas makes insulin and digestive enzymes; the thyroid releases hormones that regulate metabolism. So, the testes are the correct source of testosterone.