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21 Multiple choice questions

  1. support dorsal blood vessels
  2. prevent backflow
  3. 5-40% of body weight
  4. aid in circulation
  5. for cold tolerance
  6. Na
  7. dorsal blood vessel
  8. abdomen
  9. uric acid
  10. in brain
  11. blood fluid
  12. all chemical exchanges between organs
  13. fatty
    citric
    amino acid
  14. openings in
    each chamber of heart
    with valves that open
    when heart relaxes &
    close when heart
    contracts.
  15. Mg and P
  16. open
    Blood flow through hemocoel
  17. lipoproteins shuttle molecules
  18. tehalose
  19. plasma and hemocytes
  20. phagocytose small particles
  21. pump blood to appendages