Human Reproductive System: Gametes and Sperm Production
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Questions and Answers

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

  • To release sperm through the duct system
  • To separate the testes into lobules
  • To control sperm production and create the blood-testes barrier (correct)
  • To produce sperm

    • Why do the dartos and cremaster muscles contract in cold weather or cold water?

  • To keep the testes warm and at a stable temperature (correct)
  • To increase sperm production
  • To reduce the temperature of the testes
  • To release sperm through the duct system

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

  • To control sperm production
  • To separate the testes into lobules
  • To release sperm through the duct system
  • To cover the testes and separate each one into lobules (correct)

    • How many chromosomes do a sperm cell and an oocyte combine to form?

    <p>46</p> Signup and view all the answers

    What is the role of the seminiferous tubules in the testes?

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

    Why is it important for the testes to be at a cooler temperature than normal body temperature?

    <p>To optimize sperm production and development</p> Signup and view all the answers

    What happens to the corpus luteum if pregnancy does not occur within 10-12 days?

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

    What determines the amount of milk produced in breast milk?

    <p>None of the above</p> Signup and view all the answers

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

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

    What is the purpose of the placebo pills in hormonal birth control?

    <p>To initiate menses</p> Signup and view all the answers

    How many sperm cells are produced from one spermatogonia cell?

    <p>4</p> Signup and view all the answers

    What is the primary factor that determines the development of male reproductive system?

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

    What is the effect of poor nutrition on puberty in females?

    <p>It leads to an earlier onset of puberty</p> Signup and view all the answers

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

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

    Where do the newly formed sperm cells continue to mature?

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

    What is a characteristic of puberty in males?

    <p>Hair growth and deepening of the voice</p> Signup and view all the answers

    What is the percentage of sperm in semen?

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

    What is the function of the bulbourethral glands?

    <p>To release fluid to lubricate and clean away urine residue</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

    What is the hormone responsible for differentiating male sexual reproductive organs in a fetus?

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

    What is the structure that protects the urethra and female reproductive system in the female external reproductive area?

    <p>Labia minora</p> Signup and view all the answers

    What is the term for the external female reproductive area?

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

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

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

    What is the approximate duration of an ovarian cycle?

    <p>28 days</p> Signup and view all the answers

    What is the term for the growth and development of follicles?

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

    What is the number of cells that an oocyte can split into during meiosis?

    <p>4</p> Signup and view all the answers

    What is the type of cell that inherits mitochondrial DNA from the mother?

    <p>Haploid ovum</p> Signup and view all the answers

    What is the term for the death of multiple follicles during the ovarian cycle?

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

    What is the hormone that stimulates the granulosa and theca cells to produce estrogen?

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

    What is the structure that forms from the collapsed follicle after ovulation?

    <p>Corpus luteum</p> Signup and view all the answers

    What is the purpose of the cilia in the uterine tubes?

    <p>To create a current for the oocyte to travel</p> Signup and view all the answers

    What is the phase of the menstrual cycle characterized by the regeneration of the endometrium?

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

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