Reproductive Systems Worksheet Name: _____________________________ DIRECTIONS: Put the letter of each word next to the correct definition of the word. 1. ____ The System of organs involved in producing offspring a. Cervix 2. ____ The male reproductive cells b. Endometrium 3. ____ The male sex hormone c. Erection 4. ____ Two small glands that produce sperm d. Ejaculation 5. ____ An external skin sac e. Fallopian Tubes 6. ____ A tube-shaped organ that extends from the trunk of the body just above the testes f. 7. ____ When blood flow to the penis increases, it becomes enlarged and erect 8. ____ A thick fluid containing sperm and other secretions from the male reproductive system 9. ____ The height of sexual arousal, a series of muscular contractions and releasing of semen 10. ____ The joining of a male sperm cell and a female egg cell Fertilization g. Menstruation h. Ova i. Ovaries j. Ovulation k. Penis l. Reproductive systems 11. ____ Female Reproductive cells m. Semen 12. ____ A hollow, muscular, pear-shaped organ inside a female’s body n. Sperm 13. ____ The female sex glands that store the ova and produce female sex hormones 14. ____ The process of releasing a mature ovum into the fallopian tube each month o. Scrotum p. Testes q. Testosterone 15. ____ A pair of tubes with fingerlike projections that draw in the ovum r. 16. ____ A muscular, elastic passageway that extends from the uterus to the outside of body s. Vagina t. 17. ____ The fertilization of an egg by a sperm produces a cell called 18. ____ Thickened lining of the uterus 19. ____ The opening to the uterus 20. ____ The shedding of the uterine lining Uterus Zygote Reproductive Systems Worksheet DIRECTIONS: Fill in the blanks. 21. The outside parts of the male reproductive system are the penis and the _________________. 22. A female has three openings: the _________________ in the front, the _________________ in the middle (where the blood comes out during her period) and the anus in the back. 23. Sperm are made in the testicles. They are stored for 2-3 months in the _________________ and then they travel through the __________________ and the urethra, which leads out of the penis. 24. The semen is made up of sperm and liquids. The liquids are produced by the _________________, the _________________, and the _________________. 25. In both males and females, urine is stored in the _________________ and leaves the body through the urethra. 26. A baby grows for 40 weeks in the _________________. 27. The scrotum is the sac that holds the _________________. 28. The parts of the body that protect the urethra and the vagina are called _________________. 29. When an egg cell leaves the _________________, it travels through the _________________ on its way to the uterus. 30. The opening of the uterus into the vagina is called the _________________.