Pregnancy

2. every 28 days when an ovum
5. second stage of pregnancy
8. tiny threadlike structures in the nucleus of every cell determining our makeup
11. rich in blood vessels and attached to the wall of the uterus
14. organ which a baby develops during pregnancy
16. sac that fills with fluid and surrounds the embryo

1. tube in the back of the developing baby that transforms into the brain and spinal cord
3. cord connects baby to mothers nutrients and placenta
4. a developing baby
6. gene is the stronger gene of the 2 you receive from both parents
7. twins with 2 different genetic makeups
9. an egg cell
10. mans reproduction cell
12. babys head and position is not downturned
13. uses soundwaves to create video image of an unborn baby
15. tube connects ovary to uterus