Human Reproductive System: Gametes and Sperm Production

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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?

46 Signup and view all the answers

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

To develop sperm Signup and view all the answers

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

To optimize sperm production and development Signup and view all the answers

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

It degrades and progesterone decreases Signup and view all the answers

What determines the amount of milk produced in breast milk?

None of the above Signup and view all the answers

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

Spermatogenesis Signup and view all the answers

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

To initiate menses Signup and view all the answers

How many sperm cells are produced from one spermatogonia cell?

4 Signup and view all the answers

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

Y chromosome Signup and view all the answers

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

It leads to an earlier onset of puberty Signup and view all the answers

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

To produce ATP Signup and view all the answers

Where do the newly formed sperm cells continue to mature?

Epididymis Signup and view all the answers

What is a characteristic of puberty in males?

Hair growth and deepening of the voice Signup and view all the answers

What is the percentage of sperm in semen?

5% Signup and view all the answers

What is the function of the bulbourethral glands?

To release fluid to lubricate and clean away urine residue 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 Signup and view all the answers

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

Testosterone Signup and view all the answers

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

Labia minora Signup and view all the answers

What is the term for the external female reproductive area?

Vulva Signup and view all the answers

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

To protect from pathogens Signup and view all the answers

What is the approximate duration of an ovarian cycle?

28 days Signup and view all the answers

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

Folliculogenesis Signup and view all the answers

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

4 Signup and view all the answers

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

Haploid ovum Signup and view all the answers

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

Atresia Signup and view all the answers

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

LH Signup and view all the answers

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

Corpus luteum Signup and view all the answers

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

To create a current for the oocyte to travel Signup and view all the answers

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

Proliferative phase Signup and view all the answers

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?

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

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

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

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

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

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

What determines the amount of milk produced in breast milk?

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

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

How many sperm cells are produced from one spermatogonia cell?

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

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

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

Where do the newly formed sperm cells continue to mature?

What is a characteristic of puberty in males?

What is the percentage of sperm in semen?

What is the function of the bulbourethral glands?

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

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

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

What is the term for the external female reproductive area?

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

What is the approximate duration of an ovarian cycle?

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

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

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

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

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

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

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

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

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