Quiz: Male Reproductive Function
Question 1 of 2  

An erection results from a complex interaction of stimuli to nerves, blood vessels, and the brain. Which of the following happens to blood during an erection? 

  • A.

    Blood flow to erectile tissue in the penis increases.


  • B.

    Blood becomes thinner.

  • C.

    Blood helps move sperm out of the penis.

  • D.

    Blood helps stimulate sexual feelings.

Am I correct?