Pregnancy

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Across
  1. 5. Fluid inside the amnio-chorionic membrane that regulates the baby's temperature, cushions the baby against injury, and allows the baby to move around easily.
  2. 6. A three-month period. Pregnancy consists of three ________.
  3. 7. A hollow ball of cells that implants itself in the uterus; name for a developing baby from after the zygote stage until the embryo stage.
  4. 8. Single-celled organism that is formed when the separate nuclei of sperm and egg combine into one nucleus.
  5. 9. The name for a developing baby from the ninth week of pregnancy until birth.
  6. 10. Name for the developing baby from the second to the eighth weeks of pregnancy.
Down
  1. 1. All the development that occurs between conception and birth.
  2. 2. A flexible cord that contains blood vessels and connects the placenta to the developing baby.
  3. 3. The union of a perm and egg cell. ________ is the beginning of pregnancy.
  4. 4. A special organ formed during pregnancy that functions as the inter-change between the developing baby and its mother.