Across
- 4. a tissue that connects the developing baby to the uterus
- 7. the liquid that surrounds and protects the developing baby in the uterus
- 10. a long tube that connects the baby to the placenta
- 11. what the developing baby is called from about the 3rd week through the 8th week of pregnancy
- 12. the fertilized egg
- 13. the male cell
- 14. a unit that determines a human's inherited characteristics
- 15. the complete blueprint for the creation of a person
- 16. egg cell
- 17. the organ in a woman's body in which the baby develops
Down
- 1. the baby's development during a pregnancy
- 2. the inability to conceive a child
- 3. the complex molecules that make up genes
- 5. a tiny threadlike structure in the nucleus of every cell
- 6. the process of the sperm fertilizing the ovum
- 8. tube that connects the ovary to the uterus
- 9. a woman who becomes pregnant to have a baby for another woman