Lesson 20.2 – The Human Reproductive System | Crossword


3.a hollow organ of the female reproductive system that is lined with endometrial tissue and which houses and nurtures a developing fetus
5.a long, whip-like structure on the sperm that propels the sperm through liquid
8.an organ filled with erectile tissue and located above the vaginal opening; swells during sexual excitement
11.a male reproductive gland that secretes fluid to mix with sperm and create semen
12.a structure that connects the ovaries to the uterus and guides ova out of the ovaries; uterine tube
14.spongy tissue contained in the penis and clitoris that fills with blood during sexual excitement
15.the end of a woman’s reproductive years, when her ovaries stop releasing ova


1.a girl’s first menstrual cycle, which typically occurs between 10 and 15 years of age
2.a tube in the male reproductive system that carries sperm from the testes to the penis
4.a process by which muscular contractions expel semen through the urethral opening in the penis
6.a female reproductive organ that contains ova and produces the hormones estrogen and progesterone
7.the release of an ovum from one of the follicles in the ovaries
9.a substance secreted during ejaculation, which contains sperm and other fluid
10.a tube-like structure that extends from the external vaginal opening to the cervix, which leads into the uterus
13.male reproductive organs that produce sperm and the hormone testosterone

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