PSY112 PRENATAL DEVELOPMENT

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Across
  1. 3. — Spontaneous loss of pregnancy
  2. 4. — Middle layer that forms muscles, bones, and circulatory system
  3. 9. — Formation of organs during the embryonic stage
  4. 10. — Agent that causes birth defects
  5. 11. — Three-month division of pregnancy
  6. 13. — Identical twins from one zygote
  7. 17. — Fluid that cushions and regulates temperature
  8. 20. — Process when cells specialize to perform tasks
  9. 22. — Fertilized egg with 46 chromosomes
  10. 23. — Cord that connects fetus to placenta
Down
  1. 1. — Fraternal twins from two eggs fertilized
  2. 2. — Outer layer of cells that provides nutrition and support
  3. 5. — Outer layer that forms brain, nervous system, and skin
  4. 6. — Inner mass of cells that forms the embryo
  5. 7. — Period when organs begin to form (2–8 weeks)
  6. 8. — Longest stage of prenatal development (2 months until birth)
  7. 12. — Type of abortion occurring naturally, not induced
  8. 14. — Attachment of zygote to uterine wall
  9. 15. — Organ that provides nutrients and oxygen to the fetus
  10. 16. — Cell division process during early development
  11. 18. — Inner layer that forms digestive and respiratory systems
  12. 19. — First 2 weeks of development after conception
  13. 21. — Protective sac filled with fluid