Foundations of Healthy Living Crossword

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Across
  1. 3. Small branches of an artery leading into capillaries.
  2. 4. An aortic valve with only two cusps (or flaps) instead of three.
  3. 8. Muscular chambers that pump blood out of the heart and into the circulatory system.
  4. 10. Blood vessels that carry blood towards the heart.
  5. 11. Binge drinking alcohol causes your heart rate to ________.
  6. 14. The largest artery in the body.
  7. 15. The blood vessels that deliver oxygen-rich blood from the heart to the tissues of the body.
  8. 16. Each of the two upper cavities of the heart from which blood is passed to the ventricles.
  9. 18. Excercise causes your heart rate to ________.
  10. 19. Any of the fine branching blood vessels that form a network between the arterioles and venules.
  11. 22. ____________ blood has a low oxygen saturation relative to blood leaving the lungs.
  12. 23. A condition marked by severe pain in the chest, often also spreading to the shoulders, arms, and neck, caused by an inadequate blood supply to the heart.
  13. 24. Supplied, treated, or enriched with oxygen.
Down
  1. 1. A large vein carrying deoxygenated blood into the heart.
  2. 2. A colorless and non-flammable gas at normal temperature and pressure.
  3. 5. Carries deoxygenated blood from the right ventricle to the lungs.
  4. 6. Very small veins that collect blood from the capilliares.
  5. 7. One of the two main valves on the right side of your heart.
  6. 9. The arterial blood vessel of coronary circulation, which transports oxygenated blood to the heart muscle.
  7. 12. Another name for high blood pressure.
  8. 13. Flaps (leaflets) that act as one-way inlets for blood coming into a ventricle and one-way outlets for blood leaving a ventricle.
  9. 17. A reflex is an ___________ reaction; ex: blinking.
  10. 20. A pair of spongy, air-filled organs located on either side of the chest (thorax).
  11. 21. A small body of specialized muscle fibers, located in the right atrium of the heart, whose activity is responsible for initiating the heartbeat.