Circulatory System Crosswrd

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Across
  1. 3. The iron-containing protein in erythrocytes that has four binding sites for oxygen.
  2. 4. When the heart stops entirely
  3. 10. AKA White blood cells or WBCs- these cells fight infections and respond to threats.
  4. 11. Aka a heart attack. Typically results from lack of blood flow (ischemia) and oxygen (hypoxia) to a region of the heart, resulting in death of the cardiac muscle cells.
  5. 12. High white blood cell count, often indicative of an infection
  6. 13. Largest artery in the body; takes oxygenated blood away from the heart into the systemic circuit.
  7. 15. Transports oxygen to all of the tissues and returns with deoxygenated blood to the heart.
  8. 17. Blood vessels carrying blood away from the heart.
  9. 19. Term referring to the transit to and from the lungs
  10. 20. Excessive bleeding.
  11. 21. Trained medical professionals that draw blood
Down
  1. 1. Fluid (connective tissue) that contains dissolved nutrients, gases, cells, and wastes and transports them around the body.
  2. 2. Blood vessels carrying blood back to the heart.
  3. 5. AKA Red blood cells or RBCs- these cells carry oxygen throughout the body
  4. 6. “heart strings”- connect the flaps of the atrioventricular valves to papillary muscles in the ventricles and prevent the flaps from being forced into the atria and regurgitation of the blood back into the atria during ventricular contraction.
  5. 7. Abnormally enlarged heart muscle
  6. 8. The extracellular matrix of blood, made mostly of water
  7. 9. The degrading of erythrocyte clumps. Their hemoglobin is sent to the kidneys to be filtered out.
  8. 14. Clumping of erythrocytes due to attachment from antibodies.
  9. 16. The largest vein in the human body- returns deoxygenated blood to the heart from the systemic circuit
  10. 18. Thin blood vessels whose walls are a single cell layer thick- these form the sites of nutrient and gas exchange