the beginning of adolescence for boys and girls
where sperm mature in the male body
where eggs mature in the female body
the tube that urine and sperm travel through
when an egg unites with a sperm
how often menstruation usually occurs
the sac that protects the testes
the tube which connects the ovaries to the uterus
the birth canal
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.
NEW! Voice Recording
Click the mic to start.