32 Questions
What is the total number of chromosomes in a sperm cell and an oocyte after they combine?
46
What is the primary function of the dartos and cremaster muscles?
To regulate the temperature of the testes
What is the purpose of the tunica albuginea?
To separate the testes into lobules
How many cell types are present in the seminiferous tubules?
6
What is the function of Sertoli cells?
To control sperm production and regulate germ cell fate
Why is the blood-testes barrier important?
To prevent autoimmune responses
What is the approximate length of an ovarian cycle?
28 days
What is the function of the tunica albuginea?
It covers the ovaries
What happens to oocytes during fetal development?
They form primary oocytes in the fetal ovary
What is the result of atresia in follicles?
Death of multiple follicles
What stimulates follicle growth?
FSH
What is the function of cilia in the uterine tubes?
To create a current to push the oocyte along
What happens to the corpus luteum after ovulation?
It produces progesterone
What is the result of high levels of estrogen in the uterine tubes?
Contraction of the uterine tubes
What phase of the menstrual cycle is characterized by low levels of progesterone, FSH, and LH?
Menses phase
What is the function of the superficial layer of the uterus?
It is released during menses
What triggers the shedding of the endometrium?
The decrease of progesterone levels
What is the primary function of the breasts in the reproductive system?
To provide milk or colostrum through lactation
Why do hormonal birth control pills prevent menses?
They provide a constant amount of estrogen and progesterone
What is the primary factor that determines the development of the male reproductive system?
The presence of the Y chromosome
What is the effect of poor nutrition on puberty?
It has a more pronounced effect on puberty in females
What is the typical age range for the growth spurt in males?
11-13 years old
What is the term for one or both testes failing to descend into the scrotum prior to birth?
Cryptorchidism
What percentage of semen is made up of sperm?
5%
What hormone regulates testosterone production?
Gonadotropin releasing hormone
What is the purpose of the epididymis?
To mature sperm cells
What is the function of the mitochondria in the mid piece of the sperm cell?
To produce ATP
What is the purpose of the prostate gland?
To add fluid to coagulate semen
What is the term for the process by which sperm cells develop?
Spermatogenesis
What is the name of the glands that release fluid to lubricate and clean away urine residue during ejaculation?
Bulbourethral glands
What is the term for the internal male reproductive organs?
Testes
What is the function of Nitric Oxide in the penis?
To relax muscles and allow blood to flow
Test your knowledge of the male reproductive system, gamete formation, and the process of fertilization. Learn about the structure and function of testes, scrotum, and sperm cells. Understand how chromosomes combine to form a healthy zygote.
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