You need to see a doctor.
No, the size is irrelevant for having sex.
The testes can only produce functional semen at a certain temperature. If they were in the abdomen, the environment would be too warm. Since the scrotum is only a thin piece of skin, the testes are contained in an environment that is the perfect temperature.
It's due to the cooling effect of having the testes outside the main portion of the body. Testes need a slightly lower temperature than the rest of the body, for ideal functioning. Overheating will reduce fertility.
Testes
Yes, most likely having a testicular hernia will not damage the ability of the testes to make and transport spermatazoa.
The Gonads are organs in animals that produce sex cells: ovaries in the female, testes in the male.
Testicles is the synonym for testes.
Females do not have testes. Testes are male reproductive organs. The female equivalent of testes is ovaries, which produce eggs and female sex hormones.
The testes produce spermatozoa (sperm).
The testes produce the hormone testosterone.Testosterone
That is not the answer. The answer is Testes.
Testosterone IS a hormone. It is secreted by the testes.