Edition By Ann Senisi Scott; Elizabeth Fong 9781337907538
Chapter 1-22 Complete Guide .
The reproductive system produces and transports sex cells, also called - ANSWER: gametes
Male sex cells are called - ANSWER: sperm
Female sex cells are called - ANSWER: oocytes
Each sex cell carries ____ set of genetic instructions and has ______ chromosomes. - ANSWER: 1, 23
The new cell formed during fertilization contains _______ chromosomes, similar to most cells of the
body. - ANSWER: 46
The glands of the reproductive system also secrete_______, which help regulate reproductive
functions. - ANSWER: hormones
primary sex organ for male - ANSWER: testes
primary sex organ for female - ANSWER: ovaries
Gland that secretes fluid for lubrication in female - ANSWER: vestibular glands
Gland that secretes fluid for lubrication in male - ANSWER: bulborethral glands
erectile tissue in females - ANSWER: clitoris
erectile tissue in males - ANSWER: penis
Tissue that encloses and protects external organs in females - ANSWER: labia majora
Tissue that encloses and protects external organs in males - ANSWER: scrotum
The ______ are paired, oval, male gonadal structures contained within the _______. - ANSWER:
testes, scrotum
Each of these organs is divided into 200-300 _______, each containing one to four _________. -
ANSWER: lobules, seminiferous tubules
Sperm produced in these organs exit via a series of tubules, and enter the ________ which lies along
the posterior aspect of the testes. - ANSWER: epididymis
Place the following structures of the male reproductive system in order, following the path of the
sperm. - ANSWER: seminiferous tubule, epididymis, ductus deferens, ejactulatory duct, uretha
The tubules are the site of sperm production, a process known as ___________. The stem cells, called
__________, contain 46 chromosomes. - ANSWER: spermatogenesis, spermatogonia
At puberty, these cells begin undergoing _______, which is a special cell division to decrease the
number of chromosomes and vary the genes found in the gametes. - ANSWER: meiosis
Cells called ________ cells assist the maturing and dividing sperm within the tubules. - ANSWER:
sustentacular
, Finally, between the tubules are cells called _________, which produce and secrete sex hormones to
regulate these processes. - ANSWER: interstitial cells
What male reproductive structures produce semen? - ANSWER: uretha, corpus spongiosum, testes,
bulbourethral glands, prostate gland, seminal vesicles
Where is sperm produced? - ANSWER: seminiferous tubules
Where is sperm stored? - ANSWER: epididymis
The terminal segment of the male reproductive system is the - ANSWER: uretha
The volume of semen released with ejaculation averages to _______ - ANSWER: 2 to 5 mL
Ducts from the seminal vesicles join the ductus deferens to form the _________. - ANSWER:
ejaculatory ducts
The __________ surrounds the urethra and ejaculatory ducts and contributes a milky, alkaline
secretion to the seminal fluid. - ANSWER: prostate gland
Contributing only 5% of the seminal volume, the ____________ produce pre-ejaculatory secretions
that prepare the urethra for the passage of sperm and provide lubrication at the tip of the penis. -
ANSWER: bulbourethral glands
What are the functions of testosterone? - ANSWER: increased muscular growth,
growth of hair, particularly on chest, face, axillary, and pubic region,
increased white blood cell production,
increased fat deposit
__________ is released from the hypothalamus. - ANSWER: GnRH
GnRH stimulates the release of ______ and _____ from the anterior pitutiary gland - ANSWER: FSH,
LH
In the presence of FSH and testosterone, ________ in the testes occurs. - ANSWER: spermatogenesis
The _________ cells in the testes secrete the hormone _______, which prevents the oversecretion of
FSH. - ANSWER: sustentacular, inhibin
The ________ is the funnel-like end of the uterine tube. An ovulated oocyte will be drawn into this
initial segment. - ANSWER: infundibulum
The __________ are the most common place for fertilization to take place. They will transport the
fertilized egg to the uterus. - ANSWER: uterine tubes
The _______ is a pear-shaped muscular organ where a fertilized egg will implant. - ANSWER: uterus
Place the following layers of the uterus in order from superficial to deep - ANSWER: Perimetrium,
Myometrium, Endometrium, Uterine cavity
The hypothalamus releases _______, which stimulates the anterior pituitary gland. - ANSWER: GnRH
The anterior pituitary gland secretes the gonadotropins _________. - ANSWER: FSH and LH