2nd Exam Review

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Across
  1. 7. the primary role of the intestines
  2. 9. sac that gives provision & protection for a developing baby
  3. 11. PNS state of "rest & digest"
  4. 12. type of muscle in blood vessels
  5. 14. kneecap
  6. 17. a word part that means "body"
  7. 19. increased surface area of this increases gas exchange at the cell level
  8. 20. the innermost lining of this structure sheds when no fertilized egg implants into it
  9. 21. produces bile to break down fats
  10. 22. they bring blood from the body, toward the heart
Down
  1. 1. 2nd step of producing lots of AIP
  2. 2. networks of capillaries wrap around these lung structures
  3. 3. the largest section of the brain. The main thinking area
  4. 4. pumping chambers of the heart
  5. 5. the highly-synchronized contraction of this muscle pushes blood through the body
  6. 6. nervous system built of interneurons
  7. 8. how O2 & CO2 move between capillaries and alveoli
  8. 10. type of neuron that causes a gland to secrete
  9. 13. byproduct of light-dependent reactions
  10. 15. neurotransmitters cross this
  11. 16. blood part that fights infections
  12. 18. a covering around the axon