Across
- 2. Maternal blood vessel delivering oxygen/nutrients.
- 7. Structure with 2 arteries and 1 vein, connecting fetus to placenta
- 8. Early structure contributing to umbilical cord.
- 10. Maternal vessel in charge to remove waste substances from fetal breathing and nutrition.
- 11. Membrane that merges with endometrium to form placenta.
Down
- 1. Twins sharing one placenta and genetic material.
- 2. Where implantation occurs.
- 3. Forms embryo’s first blood cells.
- 4. Hormone that helps to keep producing progesterone.
- 5. Twins from two separate fertilized eggs.
- 6. Organ for nutrient/waste exchange (no blood mixing.
- 9. Membrane wrapping the embryo in protective fluid.