Human Reproductive System

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Human Reproductive System. Sperm duct. I. Human Reproductive System. Open Sciencesaurus to 099-102. 1. Define specialized cells. A specialized cell is a cell that takes on a special job. 2. What is the name of the specialized cell in females? egg cells. Human Reproductive System.
Human Reproductive SystemSperm ductI. Human Reproductive SystemOpen Sciencesaurus to 099-102.1. Define specialized cells. A specialized cell is a cell that takes on a special job.2. What is the name of the specialized cell in females? egg cellsHuman Reproductive System3. What is the name of the specialized cell in males?sperm cells4. Why is genetic material important?Because genetic material contains the information that an organism needs to form, develop, and grow.Human Reproductive System5. What do the specialized cells do? They provide genetic material.6. What is the role of hormones in sexual development? Hormones produced in the endocrine system signal the start of sexual development.Human Reproductive System7. What human body system makes hormones? Endocrine systemFemale Reproductive System8. Copy and label the diagram in section 100.9. What are the 2 functions of the female reproductive system?A. To produce egg cells.B. To protect and nourish the offspring until birth.Female Reproductive System10. Where are the egg cells stored?The egg cells are stored in the ovaries.11. How do the ovaries know to release an egg cell?The ovaries release an egg cell when pituitary gland releases hormone.Female Reproductive System12. Define menstruation. Flow of blood and tissue from body through vagina13. How long does menstruation last? For about 5 days14. How often does menstruation occur? Occurs every 28 daysFemale Reproductive System15. Describe the process of menstruation (the path the egg cell takes beginning with the ovary) if fertilization does NOT take place.During menstruation, egg cell travels from ovary, through fallopian tube, through uterus, through vagina.Male Reproductive System16. Copy and label the diagram in section 101.17. Where are sperm produced? produced in testesMale Reproductive System18. What are the 2 things the hormone produced in the testes do? A. Controls development of sperm. B. Causes development of facial hair and deep voice.Male Reproductive System19. When do males begin producing sperm? Sometime during adolescenceMale Reproductive System20. What is the name of the fluid sperm travel in? semen21. How many sperm cells are in 1 drop of semen? several millionReproductive System22. List and explain the 3 parts of reproduction.A. Fertilization – When 1 sperm cell joins the egg cell.B. Pregnancy – 9 months for fertilized egg cell (embryo) to develop fully (fetus).C. Birth – fully developed fetus ready to be born.Reproductive System23. Define fertilization. When 1 sperm cell joins the egg cell. Occurs in fallopian tubes.Reproductive System24. During fertilization, list the path the sperm takes, beginning with the testes. From the testes, through the penis, through the vagina and uterus, and into a fallopian tube. Reproductive System25. Where does fertilization take place? In a fallopian tube.Reproductive System26. After fertilization, list the path the fertilized egg takes. Fertilization takes place in fallopian tube, cell division begins and then fertilized egg moves to the uterus where it attaches to the lining.27. Define embryo. Name of fertilized egg after cell division occurs.Reproductive System28. How long does pregnancy last? 9 months29. Why is the placenta important? Oxygen and nutrients from the mother’s body move through placenta and umbilical cord to the growing embryo.Reproductive System30. List and define the 3 steps of birth (labor and delivery).
  • Labor – muscle contractions in uterus every 10 to 30 minutes.
  • Delivery – fetus pushed out of uterus, through vagina, and out of body.
  • Birth of placenta – after offspring born, placenta separates from uterus and leaves mother’s body.
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