What is the main male reproductive organ and what is its function?

Testes, to produce sperms and the hormone testosterone.

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Ovary, to produce ova.

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Kidney, to filter blood to produce urine.

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Penis, to produce sperm.

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Solution

The correct option is A Testes, to produce sperms and the hormone testosterone.
Testes are the main reproductive organs of males in human beings. They produce sperms which are introduced by the penis into the female reproductive part for fertilization. Testis also produces testosterone which is responsible for the development of secondary sexual characters in males.
Ovary is the main reproductive organ in females.

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Similar questions

Q. ____________ stimulates the testes to produce androgens, the male sex hormone Testosterone.

Q. Which of these are the male reproductive organs in humans?
(a) sperms
(b) ova
(c) testes
(d) ovaries

__ cells in the testes produce the male hormone testosterone.

Q. Which part of the human body :
(a) produces sperms ?
(b) produces ova ?
(c) passes sperms from a man to a woman?

Q. Testosterone is a steroid hormone produced by all vertebrate animals and, in humans and other mammals, it is secreted in large amounts by the testes of males and to a much lesser extent, the ovaries of females. In adult males, testosterone plays a key role in the development of reproductive organs and it promotes the secondary sexual characteristics of body and facial hair, increased muscle and bone mass, and a deep voice. Testosterone, like all hormones, works via long distance signaling and is regulated by other hormones as illustrated below:

Figure 1:

Testosterone regulation by cooperation between the hypothalamus, pituitary, and testicular endocrine glands. The major regulatory hormones involved are luteinizing hormone (LH), follicle-stimulating hormone (FSH) and gonadotropin-releasing hormone (GnRH).

When testosterone levels are low, gonadotropin-releasing hormone (GnRH) is released by the hypothalamus, which in turn stimulates the pituitary gland to release FSH and LH. FSH and LH then stimulate the testis to produce testosterone.
How is homeostasis achieved when testosterone levels begin to rise?

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