Cardiovascular key terms

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Across
  1. 2. A protective protein produced by the immune system in response to the presence of a foreign substance, called an antigen.
  2. 3. The blood vessels that deliver oxygen-rich blood from the heart to the tissues of the body.
  3. 5. The valve in the human heart between the left ventricle and the aorta.
  4. 9. A thin sac that surrounds your heart.
  5. 10. Any substance that causes your immune system to produce antibodies against it.
  6. 12. a chamber of the heart which receives blood from a corresponding atrium and from which blood is forced into the arteries.
  7. 14. Any of the tiny blood vessels that connect the smallest arteries to the smallest veins.
  8. 15. the passage of blood from the right side of heart through arteries to lungs to the left side of the heart by veins
  9. 17. The cellular component of blood that helps defend the body against infection.
  10. 21. The blood cell that carries oxygen, another name for Erythrocyte.
  11. 22. a reaction in which particles suspended in liquid collect into clumps & which occurs as a response to a specific antibody.
  12. 24. A type of blood cell that is made in the bone marrow and found in the blood.
  13. 25. Any of the small terminal twigs of an artery that ends in capillaries.
Down
  1. 1. The action or process of a liquid, especially blood, changing to a solid or semi-solid state
  2. 4. The valve between the left atrium and left ventricle of the heart, consisting of two triangular flaps of tissue.
  3. 6. The dilation, or widening, of blood vessels.
  4. 7. Type of blood vessel that return deoxygenated blood from your organs back to your heart.
  5. 8. The liquid portion of blood.
  6. 11. The visceral part of the pericardium that closely envelops the heart.
  7. 13. The pressure of the blood within the artery produced primarily by the contraction of the heart muscle.
  8. 16. The upper chamber through which blood enters the ventricles of the heart.
  9. 18. The lining of the interior surface of the heart chambers.
  10. 19. The largest blood vessel in the body.
  11. 20. a component of blood whose function is to react to bleeding from blood vessel injury by clumping
  12. 23. A type of blood cell that is made in the bone marrow and found in the blood and lymph tissue