Male Reproductive System • To produce sperm, semen & testosterone • Aids in reproduction & excretes wastes • Allows for Erection & Ejaculation
SPERM • Male reproductive cell responsible for fertilization. Contains half of the DNA needed for the development of a human being.
Urinary Bladder • Stores Urine
Prostate Gland Responsible for making 35% of the semen
Cowper’s Glandor Bulbourethral Gland Responsible for producing 5% of Semen
Testes or Testicle • Two egg-shaped structures responsible for making sperm and producing the male hormone testosterone.
Seminiferous Tubules • 750 feet coiled • Sperm develops and grows
VAS DEFERENS • Tube which sperm and/or semen are transported through.
FORESKIN • Layer of skin located around penis. • Main function is protection of penis.
EPIDIDYMIS • Located above testes and is responsible for maturation of sperm.
PENIS • Main external organ of the male reproductive system.
SCROTUM • Houses and protects testes. • It is responsible for regulating temperature of the testes.
Testosterone • Male Hormone • Increases metabolism • Deepens voice • Increase muscles
URETHRA • Transports and excretes semen or urine out of the penis. Semen = sperm + fluids.
Seminal Vesicle Responsible for making 60% of the Semen
FUNCTIONS • Release mature eggs • Produces estrogen and progesterone • Aids in reproduction • Excretes urine • Aids in menstruation
CERVIX • Produces cervical mucus, expands to deliver baby & contracts during menstruation if necessary. • At base of uterus.
Estrogen Female hormone responsible for secondary sex characteristics.
FALLOPIAN TUBES • Carries mature egg(s) to uterus. • Fertilization usually occurs here.
VAGINAL CANAL • Allows for excretion of endometrium/egg (unfertilized) or baby (fertilized) • Aids in reproduction • Provides lubrication
Vaginal opening • Opening for reproduction • Excretes lining and lubrication
Mons Pubis • Extra fat that forms padding on the front pelvic bone • Function-cushion for pain-free reproduction
UTERUS • Pear-shaped muscular organ that provides a place for fertilized egg to grow. Houses endometrium if unfertilized. • Contracts
VULVA: Three Components • Clitoris: Aids in lubrication & stimulation. • Labia Majora: protection • Labia Minora: protection
OVARIES • Release mature egg(s) and produces female sex hormones; estrogen and progesterone. • Size of Almond
URETHRA • Excretes Urine
Endometrium The lining of the Uterus