Options:
1). fertilization;
2). sex;
3). ejaculation;
4). electrically;
5). rapid expansion;
6). motion;
7). competition;
8). intercourse;
Given those answer options, answer the question: Fact 1: Ejaculation occurs when muscle contractions propel sperm from the epididymes. Fact 2: Male gametes are called sperm. Given the two facts above, what occurs when muscles contract and propel male gametes?
A:
3).