Respiratory system

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Across
  1. 5. are blood vessels that carry blood towards the heart
  2. 7. an anatomical structure of the heart
  3. 8. is the iron-containing oxygen-transport metalloprotein in the red blood cells of all vertebrates
  4. 11. carries deoxygenated blood from the heart to the lungs.
  5. 12. represents the tactile arterial palpation of the heartbeat by trained fingertips
  6. 15. part of the electrical control system of the heart that coordinates the top of the heart
  7. 17. a very small blood vessel in the microcirculation that allows blood to return from the capillary beds to the larger blood vessels called veins
  8. 18. the impulse-generating (pacemaker) tissue located in the right atrium of the heart
  9. 19. a term describing the contraction of the heart
  10. 20. is a wall, dividing a cavity or structure into smaller ones
  11. 22. are blood vessels that carry blood away from the heart
Down
  1. 1. the pumping chambers of the heart
  2. 2. is the largest artery in the human body.
  3. 3. are large blood vessels that carry oxygenated blood from the lungs to the left atrium of the heart
  4. 4. is the period of time when the heart refills with blood after systole
  5. 6. is on the right dorsal side of the mammalian heart, between the right atrium and the right ventricle
  6. 9. the large vein that carries de-oxygenated blood from the lower half of the body into the right atrium of the heart.
  7. 10. the pressure exerted by circulating blood upon the walls of blood vessels, and is one of the principal vital signs.
  8. 13. carries deoxygenated blood from the upper half of the body to the heart's right atrium.
  9. 14. the smallest of a body's blood vessels and are parts of the microcirculation
  10. 16. a small diameter blood vessel in the microcirculation that extends and branches out from an artery and leads to capillaries
  11. 21. are the most common cardiac valvular anomaly