6.2 Male Reproductive System Part 3 Flashcards
What is the shaft of the penis?
long cylindrical part of the penis
What is the shaft of the penis made up of?
left and right corpus cavernosum
one corpus spongiosum
What is the glans penis?
enlarged tip of the penis
What is the fold of skin on the glans penis called?
foreskin
What causes an increase in arterial blood flow to the penis during arousal?
nervous system reflex
What occurs during an erection?
blood spaces fill with blood in the erectile tissue of the penis
What is the function of an erection?
enables the penis to be inserted into the vagina when sexually aroused to deposit semen
What is the scrotum?
pouch of skin that holds the testes outside of the body
What is the scrotum held in place by?
spermatic fascia
Why do the testes need to be locted outside of the body?
sperm production
What can the scrotum do to maintain the appropriate temperature for testes to produce sperm?
contract when cold and loosen when hot
What is semen?
thick, whitish fluid that contains sperm and accessory gland secretions
What are some components of semen?
fructose
prostaglandins
relaxin
alkaline pH
antiobiotic
What is the purpose of the fructose in sperm?
sugar for fuel
What is the purpose of the prostaglandins in sperm?
facilitates movement
