Sentences with phrase «human sperm survives»
In comparison, human sperm survives in a woman's upper genital tract for a mere 3 to 5 days.
http://discovermagazine.com/ Not exact matches
Rather, the embryo is human merely by virtue of this physical and spiritual substance created by the union of sperm and egg (or at least by virtue of its purported ability to survive physically outside the womb)