Human Reproductive System
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Questions and Answers

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?

    <p>300-400</p> Signup and view all the answers

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

    <p>To cover the testes and separate them into lobules</p> Signup and view all the answers

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

    <p>6</p> Signup and view all the answers

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

    <p>It degrades</p> Signup and view all the answers

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

    <p>To provide milk or colostrum through lactation</p> Signup and view all the answers

    How does hormonal birth control prevent pregnancy?

    <p>By producing a constant amount of estrogen and progesterone</p> Signup and view all the answers

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

    <p>Spermatogenesis</p> Signup and view all the answers

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

    <p>To mature sperm cells</p> Signup and view all the answers

    What is the primary determinant of sex in humans?

    <p>The presence of the Y chromosome</p> Signup and view all the answers

    What is the typical age range for puberty in females?

    <p>9-11 years</p> Signup and view all the answers

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

    <p>To produce ATP</p> Signup and view all the answers

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

    <p>5%</p> Signup and view all the answers

    What is the effect of poor nutrition on puberty?

    <p>It accelerates puberty in both males and females, but more pronounced in females</p> Signup and view all the answers

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

    <p>To add fluid to semen</p> Signup and view all the answers

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

    <p>Circumcision</p> Signup and view all the answers

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

    <p>Testosterone</p> 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?

    <p>Cryptorchidism</p> Signup and view all the answers

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

    <p>12 days</p> Signup and view all the answers

    What is the main function of the glans penis?

    <p>To contain a high concentration of nerve endings</p> Signup and view all the answers

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

    <p>To protect from pathogens</p> Signup and view all the answers

    What is the approximate size of the ovaries?

    <p>The size of an almond</p> Signup and view all the answers

    What is the term for the process of oocyte production?

    <p>Oogenesis</p> Signup and view all the answers

    How many oocytes decline in number from birth to puberty?

    <p>From 2 million to 400,000</p> Signup and view all the answers

    What is the term for the release of an oocyte?

    <p>Ovulation</p> Signup and view all the answers

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

    <p>To provide nutrients between fertilization and implantation</p> Signup and view all the answers

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

    <p>Atresia</p> Signup and view all the answers

    What is the primary function of the uterine tubes?

    <p>To transport the oocyte to the uterus</p> 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?

    <p>Menses phase</p> Signup and view all the answers

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

    <p>To prepare the uterus for implantation</p> Signup and view all the answers

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