Biology 12 Worksheet - Male Reproductive System Page 3
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46) What is the location, structure and function of the following parts of the Male
Reproductive System?
PART
LOCATION
STRUC-
FUNCTION
TURE
Testis
In scrotum
Ball
Male gonads which produce sperm
and testosterone
Scrotum
Hang
Sac
Hold testes away from body (body
underneath
temperature is too high for sperm)
penis outside
male’s body
Seminiferous
Within each
3 coiled
Where sperm is produced
tubules
testis
tubules
(meiosis)
Interstitial cells
Lie between
Cells
Produce testosterone
the
seminiferous
tubules
Sertoli cells
In the
Cells
Support, nourish and regulate the
seminiferous
spermatogenic cells
tubules
Epididymis
On top of
Tubular
Where sperm mature
each testis
storage
sac
Vas deferens
From
Tube
Carries sperm from epididymis to
epididymis to
urethra during ejaculation
urethra
Seminal vesicles
Join to each
Tube
Pair of organs that that each have
vas deferens
a duct to join to each vas deferens
Produce secretion containing
fructose to nourish sperm
Prostate gland
Surround
Doughn
Secretes a milky alkaline fluid that
upper part of
ut
helps sperm survive in the acidic
urethra just
shaped
vaginal canal
below bladder
organ
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