cardiovascular system

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Across
  1. 2. The rhythmic expansion and contraction of arteries as blood is pumped through them.
  2. 4. - Pressure The force exerted by circulating blood against the walls of the blood vessels.
  3. 5. Arteries Blood vessels that supply the heart muscle with oxygen and nutrients.
  4. 7. The largest artery in the body, originating from the left ventricle of the heart.
  5. 9. A blood vessel that carries deoxygenated blood back to the heart.
  6. 11. The inner lining of the heart chambers.
  7. 12. Circulation The circulation of blood between the heart and the rest of the body.
  8. 14. A condition where arteries become narrowed and hardened due to a buildup of plaque.
  9. 15. Cycle The sequence of events in one heartbeat, including contraction and relaxation of the heart chambers.
Down
  1. 1. Tiny blood vessels where the exchange of oxygen and nutrients occurs with body tissues.
  2. 3. The muscular tissue of the heart.
  3. 6. One of the two lower chambers of the heart that pump blood to the lungs and the rest of the body.
  4. 8. A blood vessel that carries oxygenated blood away from the heart.
  5. 10. Circulation The circulation of blood between the heart and the lungs for oxygenation.
  6. 13. One of the two upper chambers of the heart that receive blood from the veins.