CARDIOVASCULAR UNIT

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Across
  1. 3. lower part of heart
  2. 5. types, O A B AB
  3. 8. group of heart cells in the atria, adjusts heart to meet oxygen needs
  4. 11. Center, sympathetic innervation of the periphery causing vasoconstriction – Relaxation (vasodilatation) due to inhibition (or withdraw) of the VMC
  5. 12. blood cells, Helps fights disease, produced in bone marrow, larger than but not as many as red blood cells, live longer-months or years
  6. 13. a cardiovascular diseased cause by the buildup of fatty material in the arteries
  7. 16. Liquid part of blood, caries nutrients, waste, and chemical messengers
  8. 17. upper part of heart
Down
  1. 1. hollow muscular organ that pumps blood throughout the body
  2. 2. carry blood away from heart
  3. 3. a one way door which doesn't allow blood to back flow-V shaped-
  4. 4. narrow blood vessels that are one cell thick so nutrients, oxygen and waster can diffuse through, connects arteries and veins
  5. 6. system blood heart blood vessels
  6. 7. carry blood to the heart
  7. 9. a cardiovascular disease contributed with high blood-pressure
  8. 10. located in the carotid arch and the aortic arch of the heart. Baroreceptors tell whether the pressure is increased or decreased in the system and sends signals to the brain.
  9. 14. blood cells, picks up oxygen from lungs and carry it to body cells, produced on bone marrow, contain hemoglobin- iron-containing protein that helps red blood cells carry oxygen, pick up waste from blood cells and carries it away, no nuclei live about 120 days
  10. 15. Acceleratory Center, sympathetic innervation of the heart causing increase in heart rate and contraction
  11. 16. Alternating expansion and relaxation of artery walls