Comparative Test 4 (C1)

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Comparative Test 4 (C1)
2011-12-03 20:29:45
Comparative Anatomy

Comparative anatomy lecture test four.
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  1. The circularoty system acts as both a _____ and a _____.
    • Transport system
    • Homeostasis maintenance
  2. What are the components of the circulatory system?
    • Liquid plasma
    • Plasma proteins
    • Erythrocytes
    • Leucocytes
    • Thrombocytes
  3. Liquid plasma and plasma proteins regulate _____.
    Osmotic pressure.
  4. Erythrocytes regulate what?
    Oxygen and carbon dioxide transfer.
  5. Leucocytes regulate what?
    immune response.
  6. Thrombocytes (platelets) regulate what?
    blood clotting
  7. _____ is a major hemopoietic (blood producing) organ.
  8. _____ is embedded in the wall of the digestive tract in lampreys and lungfishes.
  9. What is trabeculae?
    dense connective tissue network through which arteries enter the spleen.
  10. _____ is the site of lymphocyte growth in the spleen.
    white pulp
  11. _____ is the site of erythrocyte storage and breakdown in the spleen.
    Red pulp
  12. What role do arteries play in the body?
    vessels that carry blood from the heart to capillary networks.
  13. _____ are vessels that carry blood to the heart.
  14. _____ is a pump that creates the pressure to drive blood through the vessels.
  15. What is endothelium?
    Interior lining of squamous epithelium.
  16. _____ the outer lining is coelomic epithelium?
    Parietal pericardium.
  17. What is myocardium?
    Cardiac muscle and connective tissue.
  18. Cardiac muscle has an inherent rhythm of contraction initiated by _____.
    Sinoatrial node
  19. Cardiac muscle has an inherent rhythm of contraction modulated by _____.
    autonomic nervous system
  20. What are purkinje fibers?
    moified cardiac muscle for conducting impulses between ventricles so a contraction will begin at the bottom of the heart.
  21. Describe the structure of capillaries.
    • Walls consist only of endothelium.
    • Site of exchange between blood and interstitial fluid.