THE REPRODUCTIVE SYSTEM Male Reproductive System n To

THE REPRODUCTIVE SYSTEM

Male Reproductive System n To produce sperm, semen & testosterone n Aids in reproduction & excretes wastes n Allows for Erection & Ejaculation

SPERM n Male reproductive cell responsible for fertilization. Contains half of the DNA needed for the development of a human being.

Urinary Bladder n. Stores Urine

Prostate Gland Responsible for making 35% of the semen

Pubic Bone-protection

Cowper’s Gland or Bulbourethral Gland Responsible for producing 5% of Semen

Testes or Testicle n Two egg-shaped structures responsible for making sperm and producing the male hormone testosterone.

Seminiferous Tubules 750 feet coiled n Sperm develops and grows n

Anus-excretes feces Rectum-stores and excretes feces

VAS DEFERENS n. Tube which sperm and/or semen are transported through.

FORESKIN n. Layer of skin located around penis. n. Main function is protection of penis.

EPIDIDYMIS n. Located above testes and is responsible for maturation of sperm.

PENIS n. Main external organ of the male reproductive system.

SCROTUM n. Houses and protects testes. n It is responsible for regulating temperature of the testes.

Testosterone Male Hormone n Increases metabolism n Deepens voice n Increase muscles n

URETHRA n Transports and excretes semen or urine out of the penis. Semen = sperm + fluids.

Seminal Vesicle Responsible for making 60% of the Semen

FEMALE REPRODUCTIVE SYSTEM

FUNCTIONS n Release mature eggs n Produces estrogen and progesterone n Aids in reproduction n Excretes urine n Aids in menstruation

CERVIX n Produces cervical mucus, expands to deliver baby & contracts during menstruation if necessary. n At base of uterus.

Estrogen n. Female hormone responsible for secondary sex characteristics.

FALLOPIAN TUBES n Carries mature egg(s) to uterus. n Fertilization usually occurs here.

VAGINAL CANAL n Allows for excretion of endometrium/egg (unfertilized) or baby (fertilized) n Aids in reproduction n Provides lubrication

Vaginal opening n. Opening for reproduction n. Excretes lining and lubrication

Mons Pubis n. Extra fat that forms padding on the front pelvic bone n. Function-cushion for pain-free reproduction

UTERUS n. Pear-shaped muscular organ that provides a place for fertilized egg to grow. Houses endometrium if unfertilized. n. Contracts

VULVA: Three Components n Clitoris: Aids in lubrication & stimulation. n Labia Majora: protection n Labia Minora: protection

OVARIES n Release mature egg(s) and produces female sex hormones; estrogen and progesterone. n Size of Almond

URETHRA n. Excretes Urine

Endometrium The lining of the Uterus