Male Reproductive System Quiz

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Questions and Answers

What happens to the tunica dartos muscle in cold temperatures?

  • It expands to increase scrotum size.
  • It contracts and tightens the scrotum. (correct)
  • It thickens the scrotum's skin.
  • It relaxes completely.

How long is each testis approximately?

  • 5 to 6 cm
  • 3 to 4 cm
  • 1 to 2 cm
  • 4 to 5 cm (correct)

What is the primary function of the epididymis?

  • To transport sperm to the penis.
  • To produce sperm cells.
  • To secrete fluids into the semen.
  • To store and mature sperm cells. (correct)

What role does the prostate gland play during ejaculation?

<p>Shuts off the urinary bladder connection to the urethra. (B)</p> Signup and view all the answers

What type of tissue primarily composes the penis?

<p>Erectile tissue. (B)</p> Signup and view all the answers

From where does sperm travel after leaving the testis?

<p>Epididymis (C)</p> Signup and view all the answers

What is the main function of the vas deferens?

<p>To convey mature sperm to the ejaculatory ducts. (D)</p> Signup and view all the answers

Which of the following statements about the male urethra is true?

<p>It carries both urine and seminal fluid but not simultaneously. (C)</p> Signup and view all the answers

Flashcards

What is the scrotum?

The scrotum is a pouch of skin that contains the testes. It helps regulate the temperature of the testes, which is crucial for sperm production.

What are the testes?

The testes are the male reproductive organs responsible for producing sperm and testosterone.

What is the epididymis?

The epididymis is a coiled tube located on the back of each testis. It stores and matures sperm before it is ejaculated.

What is the vas deferens?

The vas deferens is a muscular tube that carries mature sperm from the epididymis to the ejaculatory ducts.

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What is the ejaculatory duct?

The ejaculatory duct connects the vas deferens to the urethra. During ejaculation, the muscles of the vas deferens contract and force the sperm to travel through the ejaculatory duct.

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What is the prostate gland?

The prostate gland is a small gland that produces a fluid that forms part of semen. This fluid nourishes and protects the sperm.

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What is the urethra?

The urethra is a tube that carries both urine and semen. Although both travel through this tube, they do not do it at the same time.

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What is the penis?

The penis is primarily responsible for delivering sperm to the vagina. Note that it is not a reproductive organ, but plays a crucial role in the process of reproduction.

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