Cardiovascular System

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Across
  1. 3. ____ Blood Cells defend against bacteria and viruses
  2. 4. The heart is one of these
  3. 8. Small branch of an artery that leads into a capillary
  4. 10. Blood consists of a liquid plasma and blood ____
  5. 11. Organ pair located in the chest that blood cells get oxygen from
  6. 12. Body system that circulates blood and largely consists of the heart and blood vessels
  7. 16. Fatty deposit that restricts blood flow and causes coronary artery disease (CAD)
Down
  1. 1. Blood ____ are tubular structures that carry blood through the body. Either a vein, artery, or capillary.
  2. 2. A very small branching blood vessel between arterioles and venules
  3. 5. 60-100 B.P.M (Beats Per Minute) is the average resting heart ____
  4. 6. Tube that blood (usually deoxygenated) flows through towards the heart
  5. 7. Red fluid that transports oxygen and nutrients
  6. 9. Fluid found in blood and made up of water, salts, and protein
  7. 13. Tube that blood (usually oxygenated) flows through away from the heart
  8. 14. Small vein that receives blood from capillaries
  9. 15. Muscular organ that pumps blood