Anatomy and Physiology of the Cardiovascular system

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Across
  1. 4. The relaxation of blood vessels which increases their diameter
  2. 6. blood vessels that carry blood back to the atria they are less elastic than arteries
  3. 7. The largest artery in the body the aorta originates from the left ventricle of the heart and extends down to the abdomen where it branches off.
  4. 9. The lower chamber of the heart they receive blood from the atria which they pump out into the arteries
  5. 10. The inner layer of the heart wall.
  6. 12. The thick middle layer of the heart wall that is mostly made of cardiac tissue
  7. 13. Elastic vessels able to carry blood away from the left under high pressure
  8. 14. Microscopic vessels that link capillaries to vein.
Down
  1. 1. The outer layer of the heart wall
  2. 2. A membranous structure that encloses the heart and proximal ends of the large blood vessels and that consist of double layers.
  3. 3. The contraction of a heart structure
  4. 5. The term used to refer to the sinoatrial node (SA node)
  5. 6. Thickness or stickiness the resistance of fluid to flow in a biologic fluid viscosity is caused by the attraction of cells to one another
  6. 8. The upper Chambers of the heart they receive blood returning to the heart
  7. 11. The relaxation of a heart structure