One email every morning As soon as new articles come online. Watch each stage of the beginning of life as new camera captures embryo development. Tags class is in session sex ed sperm sperm facts Swimmers See other tags Tags. Contact Us Advertise With Us. But beyond what we're taught about its biological function at school, are there other aspects of sperm worth knowing about?
Woman marries anonymous sperm donor after tracking him down and falling in love.
12 facts about sperm everyone should know