Assertion: ejaculation's sperm | /r/CapableOf | travel into the head
Facets:
Source sentences:
text: It was believed that retrograde ejaculation caused the sperm to travel into the head and nourish the brain, or that energy is conserved physically by keeping the sperm (and thereby, the "intelligence" that created it) in the body.
text: It was believed that doing this caused the sperm to travel into the head and nourish the brain, or that energy is conserved physically by keeping the sperm (and thereby, the "intelligence" that created it) in the body.