1. Male Reproductive System Notes!

2. 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

3. URETHRA  Tube in center of penis  Both urine and semen travel through it  Tube in center of penis  Both urine and semen travel through it

4. PENIS  Male sex & urinary organ  Delivers semen during intercourse  Male sex & urinary organ  Delivers semen during intercourse

5. TESTICLE or TESTES  Male sex gland  Produces sperm  Produces the hormone testosterone  Male sex gland  Produces sperm  Produces the hormone testosterone

6. SCROTUM  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)

7. VAS 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

8. ERECTION  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

9. 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

10. SPERM  Male reproductive cells  Contain male half of DNA needed to reproduce  Male reproductive cells  Contain male half of DNA needed to reproduce

11. EJACULATION  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

12. SEMINAL VESICLES PROSTATE GLAND COWPERS 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

13. Can you name the parts? Seminal Vesicles Bladder Prostate Gland Vas Deferens Urethra Penis Scrotum Testes Epididymus Rectum

14. Male reproductive system! Questions?