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Across 2. The hollow muscular organ that provides a place for the baby to grow before birth. 6. The mother's blood does ___ flow into the baby. 9. The structure that enables an embryo to obtain nutrients from its mother. 11. A fertilized egg after it has divided into multiple cells. 14. Male reproductive structure that deposits sperm inside the female body. 17. Oxygen and nutrients travel from the mother to the fetus through the _____. (2 words) 19. An operation in which a fold of skin, the foreskin, is cut from the top of the penis. 21. The process by which sperm leave the body. 22. It requires _____ sperm to achieve fertilization. 26. When and egg is released from the ovary it travels down the _____ to the uterus. Fertilization takes place here. (2 words) 28. The monthyly changes the uterus undergoes. (2 words) 30. A breast self-exam should be performed _________.

Down 1. Male reproductive structures that produce sperm. 3. Male reproductive cell. 4. Sperm can live inside a woman's body for upto ____ days. 5. A medical procedure in which cells from the cervix are removed and tested for cancer. (2 words) 7. Female reproductive structures that produce eggs. 8. The _____ stage of labor involves the placenta being expelled from the uterus. 10. Where sperm go to mature for about 72 hours. (sperm school) 12. The release of an egg. 13. A developing individual from the 9th week of pregnancy until birth. 15. When the fertilized egg attaches some where other than the uterus. (2 words) 16. The union of a sperm and an egg. 18. Also known as the vagina. (2 words) 20. The hormone responsible for male sex characteristics, sperm production, and produced by the testes. 23. Female reproductive structure that receives the sperm. 24. The ______ stage of labor involves contractions that dilate, or widen, the cervix. 25. The base of the uterus, which bulges down into the vagina. 27. Sperm + protective fluids 29. Female reproductive cell.