biology

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Across
  1. 1. Which organ in females produces eggs?
  2. 3. In which organ does a fetus develop?
  3. 6. What is the name of the process in which multiple sperm compete to fertilize the egg?
  4. 8. What is the male reproductive organ that produces sperm?
  5. 9. What is the term for a fertilized egg that has attached to the uterine wall?
  6. 13. Which tube carries sperm from the testes to the urethra?
  7. 14. What part of the sperm contains enzymes to help penetrate the egg?
  8. 15. Which gland in males produces fluid to help nourish sperm?
  9. 16. What hormone regulates the female menstrual cycle?
  10. 17. What is the protective sac that forms around a developing fetus called?
  11. 18. What is the name of the female reproductive cycle involving ovulation and menstruation?
Down
  1. 1. What is the female reproductive cell called?
  2. 2. What is the first stage of human development after fertilization called?
  3. 4. What structure connects the fetus to the placenta for nutrient exchange?
  4. 5. What is the term for the shedding of the uterine lining in females?
  5. 7. What is the name of the process where sperm fertilizes an egg?
  6. 10. What is the male reproductive cell called?
  7. 11. What hormone is primarily responsible for male characteristics?
  8. 12. What is the process of releasing an egg from the ovary called?
  9. 19. What is the process called when a baby is born?