6. Functions of Male Reproductive
System
• Producing, maturing and transporting sperm and
semen.
• Releasing sperm into the female.
• Producing sex hormones to maintain the
reproductive system.
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8. External Structures
Penis: organ used for sexual reproduction and urination.
Scrotum: Hangs behind the penis and contains testicles. It
acts as a climate control system for the testes, which has a
seminiferous tubules inside it, and produce sperm.
Epididymis: a long, coiled tube that rests on the backside of
each testicle. It carries , stores, and brings the sperm to
maturity.
Testes: Responsible for making testosterone- the primary
male sex hormone and, producing sperm cells. 8
10. Internal Structures
Vas Deferens: Transports mature sperm to the urethra in preparation for
ejaculation.
Ejaculatory duct: formed by the fusion of the vas deferens and the
seminal vesicles. These ducts empty semen into the urethra.
Seminal vesicle: small pouches the make seminal fluid (sugar-rich fluid or
fructose), which nourishes and helps sperm travel.
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11. Internal Structures
Urethra: The urethra refers to a thin and long tube that goes from the
urinary bladder inside the body to the opening in the glans. In
humans, the urethra is used to transport urine outside the body, but
in males, it is also used to expel semen and sperm during mating.
Prostate Gland: a walnut-like structure, which contributes additional
fluid to the sperm cells and seminal fluid combination, known as
semen. It helps nourish the sperm.
Bulbourethral glands: also know as Cowper's gland
: produces a clear, slippery fluid that lubricate and
neutralizes the acidity of urine that are left in the urethra.
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