Male Reproductive System

sperms cells form in testes

semen: sperm mixes w/ fluid

allows the sperm to swim

contains nutrients that sperm uses as energy

leaves through penis through the urethra (tube in the penis)

muscles in penis contract so urine & semen don't mix

contains chromosomes

has head and tail

Testes

scrotum

external pouch of skin that houses the testes

function: keeps testes 2 to 3 degrees C below regular body temp. for sperm production

produce testosterone (hormone that controls development of physical male body)

Characteristics: deep voice, broad shoulders, & sperm production

Produces sperm

sperm are formed inside clusters of tiny coiled tubes which are the testes

Subtopic