Examlex
What form of interplanetary debris did mankind discover first? Why?
Coitus
The sexual act between a male and female involving insertion of the penis into the vagina, also known as sexual intercourse.
Orchidectomy
A surgical procedure to remove one or both testicles.
Spermatozoon
A mature male gamete or reproductive cell capable of fertilizing an egg in sexual reproduction.
Spermicide
A contraceptive substance that destroys sperm, used alone or with other forms of birth control to prevent pregnancy.
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