Human Reproductive System

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What is the total number of chromosomes in a sperm cell and an oocyte combined?

47
23
92
46 (correct)

What is the purpose of the dartos and cremaster muscles in the scrotum?

To release sperm into the duct system
To regulate the temperature of the testes (correct)
To produce sperm
To separate the testes into lobules

What is the function of Sertoli cells in the seminiferous tubules?

To produce sperm
To regulate the blood-testes barrier (correct)
To separate the testes into lobules
To release sperm into the duct system

What is the number of lobules in each testis?

300-400 (C) Signup and view all the answers

What is the purpose of the tunica albuginea in the testes?

To cover the testes and separate them into lobules (A) Signup and view all the answers

What is the number of cell types in the seminiferous tubules?

6 (D) Signup and view all the answers

What happens to the corpus luteum if there is no pregnancy within 10-12 days?

It degrades (D) Signup and view all the answers

What is the primary function of the breasts in the reproductive system?

To provide milk or colostrum through lactation (D) Signup and view all the answers

How does hormonal birth control prevent pregnancy?

By producing a constant amount of estrogen and progesterone (A) Signup and view all the answers

What is the term for the development process of sperm cells?

Spermatogenesis (D) Signup and view all the answers

What is the purpose of the epididymis in the male reproductive system?

To mature sperm cells (C) Signup and view all the answers

What is the primary determinant of sex in humans?

The presence of the Y chromosome (A) Signup and view all the answers

What is the typical age range for puberty in females?

9-11 years (A) Signup and view all the answers

What is the function of the mitochondria in the sperm cell?

To produce ATP (D) Signup and view all the answers

What is the percentage of semen that is made up of sperm?

5% (B) Signup and view all the answers

What is the effect of poor nutrition on puberty?

It accelerates puberty in both males and females, but more pronounced in females (B) Signup and view all the answers

What is the purpose of the prostate gland in the male reproductive system?

To add fluid to semen (C) Signup and view all the answers

What is the term for the surgical removal of the foreskin?

Circumcision (B) Signup and view all the answers

What is the hormone responsible for the development of male sexual reproductive organs?

Testosterone (A) Signup and view all the answers

What is the term for the failure of one or both testes to descend into the scrotum prior to birth?

Cryptorchidism (B) Signup and view all the answers

How long does it take for sperm cells to mature in the epididymis?

12 days (A) Signup and view all the answers

What is the main function of the glans penis?

To contain a high concentration of nerve endings (B) Signup and view all the answers

What is the primary function of the natural microorganisms present in the vagina?

To protect from pathogens (B) Signup and view all the answers

What is the approximate size of the ovaries?

The size of an almond (A) Signup and view all the answers

What is the term for the process of oocyte production?

Oogenesis (C) Signup and view all the answers

How many oocytes decline in number from birth to puberty?

From 2 million to 400,000 (A) Signup and view all the answers

What is the term for the release of an oocyte?

Ovulation (B) Signup and view all the answers

What is the purpose of the large amount of cytoplasm in the ovum?

To provide nutrients between fertilization and implantation (A) Signup and view all the answers

What is the term for the death of multiple follicles during folliculogenesis?

Atresia (A) Signup and view all the answers

What is the primary function of the uterine tubes?

To transport the oocyte to the uterus (D) Signup and view all the answers

What is the term for the phase of the menstrual cycle characterized by the shedding of the uterine lining?

Menses phase (B) Signup and view all the answers

What is the primary function of progesterone during the secretory phase?

To prepare the uterus for implantation (A) Signup and view all the answers