Cardiovascular system key terms

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