Assertion: sperm | /r/HasProperty | s
Facets:
Source sentences:
text: Sperm (S) or eggs (E) were incubated in 5 mM DTNB for 20 min.
text: Sperm also has to swim long distances to find the egg, so it helps them to be as light weight as possible, because the first sperm that reaches the egg is the one that will fertilize it.