Male Reproductive System Notes!

Male Reproductive System Notes!

Vocabulary To Know!Vocabulary To Know!

Urethra Penis Testicle or Testis Scrotum Vas deferens Erection

Urethra Penis Testicle or Testis Scrotum Vas deferens Erection

Semen Sperm Ejaculation Seminal vesicles Prostate gland

Semen Sperm Ejaculation Seminal vesicles Prostate gland

URETHRAURETHRA

Tube in center of penis Both urine and semen travel through it

Tube in center of penis Both urine and semen travel through it

PENISPENIS

Male sex & urinary organ Delivers semen during intercourse

Male sex & urinary organ Delivers semen during intercourse

TESTICLE or TESTESTESTICLE or TESTES

Male sex gland Produces sperm Produces the hormone testosterone

Male sex gland Produces sperm Produces the hormone testosterone

SCROTUMSCROTUM

External pouch of skin--holds testicles Regulates temperature (keeps them cooler

than the rest of the body)

External pouch of skin--holds testicles Regulates temperature (keeps them cooler

than the rest of the body)

VAS DEFERENSVAS DEFERENS

Two tubes that connect the testicles to the urethra

Carry sperm and semen to urethra

Two tubes that connect the testicles to the urethra

Carry sperm and semen to urethra

ERECTIONERECTION

Spongy tissue in the penis fills with blood Penis becomes erect or stiff

Spongy tissue in the penis fills with blood Penis becomes erect or stiff

Spongy tissue

SEMEN (not the same thing as sperm!)

SEMEN (not the same thing as sperm!)

Fluid released/ejaculated by the penis

Combination of fluids from the seminal vesicles, Cowpers gland, and prostate gland that mix with sperm to make…SEMEN

Fluid released/ejaculated by the penis

Combination of fluids from the seminal vesicles, Cowpers gland, and prostate gland that mix with sperm to make…SEMEN

SPERMSPERM

Male reproductive cells Contain male half of DNA needed to

reproduce

Male reproductive cells Contain male half of DNA needed to

reproduce

EJACULATIONEJACULATION

Semen is released from the penis Path of Semen:

– Epididymis– Vas deferens

Seminal vesicles add fluid Prostate gland adds fluid

– Urethra– Ejaculation from penis

Semen is released from the penis Path of Semen:

– Epididymis– Vas deferens

Seminal vesicles add fluid Prostate gland adds fluid

– Urethra– Ejaculation from penis

SEMINAL VESICLESPROSTATE GLANDCOWPERS GLAND

SEMINAL VESICLESPROSTATE GLANDCOWPERS GLAND

Seminal vesicles = make fluid that nourishes the sperm on their journey and make most of liquid in semen

Prostate gland = make fluid that nourishes sperm on their journey

Cowpers gland = slippery fluid that helps them pass through the urethra

Seminal vesicles = make fluid that nourishes the sperm on their journey and make most of liquid in semen

Prostate gland = make fluid that nourishes sperm on their journey

Cowpers gland = slippery fluid that helps them pass through the urethra

Can you name the parts?Can you name the parts?

Seminal Vesicles

Bladder

Prostate Gland

Vas Deferens

Urethra

Penis

Scrotum

Testes

Epididymus

Rectum

Male reproductive system! Questions?

Male reproductive system! Questions?