Chapter 4 Puzzle
Across
- 3. about every 28 days when an ovum is released by one of a women’s two ovaries.
- 4. uses soundwaves to make video image, called a sonogram, of a unborn baby
- 6. what the developing baby is called from about the third week of pregnancy to the eight week of pregnancy.
- 8. during the final stage of pregnancy the developing baby is called a...
- 9. absorbs the food and oxygen from the mother and submits these to the baby through the umbilical cord
- 12. the baby does not develop normally which can cause the baby to die
- 14. the inability to become pregnant
- 15. an egg cell
- 16. the organ in a woman’s body in which a baby develops during pregnancy
Down
- 1. tiny threadlike structures in the nucleus of every cell
- 2. genes are made up of complex molecule called...
- 5. the lining of the uterus has thickened enough to provide a place for the zygote to attach itself and continue to grow.
- 7. every person has 20,000 to 25,000 genes that determine their genetic makeup.
- 10. when sperm reaches the fallopian tubes, it may penetrate and fertilize the ovum.
- 11. a male cell
- 13. units that determine a human’s inherited characteristics