Across
- 3. turns into embryo
- 6. becomes digestive, respiratory, urinary, reproductive
- 7. turns into placenta
- 8. becomes nervous system, epidermis
- 10. delivers de-oxygenated blood to placenta
- 11. fertilized egg
- 13. becomes the umbilical cord
- 14. site of nutrient and gas exchange between mom & fetus
Down
- 1. implants in uterus
- 2. becomes filled with fluid that serves as a shock observer
- 4. helps embryo attach to the uterine wall
- 5. delivers oxygenated blood to fetus
- 9. becomes muscle, bone, circulatory, urinary
- 12. makes blood cells in early development