5 synthesizing analyze the importance and benefits of

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5. Synthesizing. Analyze the importance and benefits of abstinence as it relates to the prevention of STDs. How can problems related to STDs affect the male reproductive system? W O R D P R O C E S S I N G Word-processing software can help you record your healthy behaviors. For tips go to health.glencoe.com. Lesson 2 The Male Reproductive System 473 National and world champion cyclist Lance Armstrong is a survivor of testicular cancer. Why are testicular self-exams important for male reproductive health? health.glencoe.com HS_HEALTH_U05_C18_L2 12/8/03 12:35 PM Page 473
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VOCABULARY ova uterus ovaries ovulation fallopian tubes vagina cervix menstruation The Female Reproductive System YOU’LL LEARN TO Describe the parts of the female reproductive system and explain the function of each part. Relate the importance of early detection and warning signs that prompt females of all ages to seek health care for the female reproductive system. Identify situations requiring professional health services for preventive care. Analyze the importance of abstinence as it relates to the prevention of STDs. he female reproductive system has several functions. It produces T female sex hormones and stores female reproductive cells, called (singular, ovum ). The , a hollow, muscular, pear-shaped organ inside a female’s body, nourishes and protects the fertilized ovum from conception until birth. Structure and Function of the Female Reproductive System he female reproductive system includes several organs and T glands. are the female sex glands that store the ova and produce female sex hormones. At birth a female’s ovaries contain more than 400,000 immature ova, or eggs. One ovum matures each month, beginning at puberty when the pituitary gland produces hormones. is the process of releasing a mature ovum into the fallopian tube each month. The right ovary will release a mature ovum one month, and the left ovary will release one the next month. Ovulation Ovaries uterus Ova Write a short paragraph that contains the words reproductive system, responsibility, and health. Share these sentences with your classmates. 474 Chapter 18 Endocrine and Reproductive Systems The female reproductive system stores ova that unite with sperm in the process of reproduction. Name another function of the female reproductive system.
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475 Lesson 3 The Female Reproductive System birth For more information on prenatal development and birth, see Chapter 19, page 486. F EMALE R EPRODUCTIVE S YSTEM The female reproductive system produces sex cells called ova and provides a place for a fertilized ovum to grow. Cervix The cervix is the opening of the uterus. Uterus The uterus protects and nourishes a developing fetus. Maturing ovum Mature ovum Female Reproductive Organs Figure 18.3 shows the structures of the female reproductive sys- tem. Notice the tube that lies next to each ovary. When a mature ovum is released from the ovary, it moves to one of the a pair of tubes with fingerlike projections that draw in the ovum.
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