bio circulation respiration cw.txt

  1. The _____ arteries take deoxygenated blood from the heart to the lungs.
    Pulmonary
  2. The common name for the human trachea (2 words).
    Windpipe
  3. The heart has 2 _____ that pump blood out of the heart.
    Ventricles
  4. Disc-shaped cells that house hemoglobin.
    Erythrocytes
  5. Brain damage due to blockage of arteries in the brain.
    Stroke
  6. Muscles between ribs important in breathing.
    Intercostal
  7. The ___ valves close between the atria and ventricles of the heart to prevent back flow of blood.
    Atrioventricular
  8. The _____ system returns some of the blood plasma to the veins and is important in the immune system.
    Lymphatic
  9. Proportion of total atmospheric pressure contributed by a gas (2 words).
    Partial pressure
  10. Tiny air sacks of the lungs.
    Alveoli
  11. Deposits (often containing cholesterol) on the walls of arteries that reduce their functional diameter.
    Plaques
  12. Blood vessel that takes blood toward the heart.
    Vein
  13. Vessel intermediate in size between arteries and capillaries.
    Arteriole
  14. A moving blood clot.
    Embolus
  15. Intermediate sized blood vessels between capillaries and veins.
    Venule
  16. Protein important in blood clotting.
    Fibrin
  17. __________ flow is a gas exchange mechanism used by fish.
    Countercurrent
  18. Relaxation of the heart.

    Sheet of muscle that separates the thoracic and abdominal cavities and is important in breathing.
    Diastole

    Diaphragm
  19. The large artery that takes oxygenated blood from the heart to the body.
    Aorta
  20. Respiratory structure in insects.
    Trachea
  21. The "pacemaker" of the heart is the _____ node.
    Sinoatrial
  22. The human trachea branches into 2 _____.
    Bronchi
  23. The heart has 2 ___ that receive blood from veins.
    Atria
  24. The _____ valves close to prevent backflow of blood into the ventricles of the heart.
    Semilunar
  25. Decreased ___ (increased acidity) causes hemoglobin to release oxygen.
    pH
  26. Death of heart muscle tissue due to O2 deprivation from blockage of the coronary artery.
    Heart Attack
  27. Most CO2 is converted to this ion for transfer in the blood.
    Bicarbonate
  28. The metal atom in hemoglobin that binds oxygen.
    Iron (Fe)
  29. Blood vessel that takes blood away from the heart.
    Artery
  30. Liquid part of blood.
    Plasma
  31. The respiratory pigment in vertebrates.
    Hemoglobin
  32. Contraction of the heart.
    Systole
  33. The large vein that brings deoxygenated blood to the right atrium of the heart (2 words).
    Vena Cava
Author
samanthony0426
ID
142536
Card Set
bio circulation respiration cw.txt
Description
Biology Circulation & Respiration Crossword
Updated