Male Reproductive System

What is a characteristic of the female gamete (ovum)?

• It is biologically a "small bet".

• It takes a few days to develop.

• It is about 1/10 mm in size.

• It requires minimal support from the uterus.

What is the approximate mass of a human sperm cell compared to an egg cell?

• About one-tenth the mass of an egg.

• About one-thousandth the mass of an egg.

• About one-hundred-thousandth the mass of an egg.

• About one-millionth the mass of an egg.

How does the male reproductive strategy for gamete production differ from the female strategy?

• Males produce a few large, complex gametes, while females produce many small, simple gametes.

• Males produce many small, simple gametes, while females produce a few large, complex gametes.

• Both sexes produce a few large, complex gametes.

• Both sexes produce many small, simple gametes.

Why are the testes located outside the abdominal cavity in the scrotum?

• To protect them from physical damage.

• To allow for easier sperm release.

• To maintain a lower temperature necessary for sperm production.

• To facilitate hormone production.

What is the primary function of Sertoli cells within the seminiferous tubules?

• To secrete testosterone.

• To nourish developing sperm cells.

• To produce luteinizing hormone (LH).

• To regulate testicular temperature.

Which hormone stimulates Leydig cells to release testosterone?

• Follicle-stimulating hormone (FSH)

• Gonadotropin-releasing hormone (GnRH)

• Luteinizing hormone (LH)

• Androgen binding protein (ABP)

What are spermatogonia?

• Mature sperm cells ready for fertilization.

• Cells that secrete androgen binding protein.

• Stem cells that initiate the sperm-making process.

• Haploid cells formed after Meiosis II.

What is the process called when a spermatid elongates, grows a flagellum, and becomes a mobile sperm?

• Spermatogenesis

• Meiosis I

• Spermiogenesis

• Mitosis

Approximately how many sperm can a mature male produce per second?

• 150

• 1500

• 15,000

• 15

What is the primary function of myoid cells surrounding the seminiferous tubules?

• To produce testosterone.

• To nourish developing sperm.

• To rhythmically contract and move sperm.

• To absorb excess fluid from the tubules.