What occurs when muscles contract and propel male gametes?
fertilization sex ejaculation electrically rapid expansion motion competition intercourse
A B C D E F G H
Male gametes are called sperm.
Ejaculation occurs when muscle contractions propel male gametes.
What occurs when muscles contract and propel male gametes? (A) fertilization (B) sex (C) ejaculation (D) electrically (E) rapid expansion (F) motion (G) competition (H) intercourse