Cardiovascular System

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Across
  1. 4. The lower right chamber of the heart that receives the deoxygenated blood from the right atrium and pumps it to the lungs via the pulmonary artery.
  2. 7. A type of blood cell that is made in the bone marrow and found in the blood and lymph tissue. White blood cells are part of the body’s immune system. They help the body fight infection and other diseases.
  3. 10. When an adults vital signs are in approximately 120 millimeters of mercury and 80 millimeters of mercury.
  4. 11. Another term for heart attack.
  5. 15. System of blood vessels that forms a closed circuit between the heart and the lungs, as distinguished from the systemic circulation between the heart and all other body tissues.
  6. 16. The phase of the heartbeat when the heart muscle relaxes and allows the chambers to fit with blood.
  7. 17. They are thin-walled, being thinner than the arteries. Their lumen is larger than that of the accompanying arteries.
  8. 20. The main artery of the body that supplies oxygenated blood to the circulatory system. It passes over the left ventricle and runs down in front of the backbone.
  9. 23. Is located between the right atrium and the right ventricle. It allows blood to flow from the atrium to the ventricle.
  10. 24. A medical condition in which the ability of the blood to clot is severely reduced, causing the sufferer to bleed severely from even a slight injury.
  11. 26. A connection between two or more of the coronary arteries and a cardiac chamber or great vessel.
  12. 28. Right upper chamber of the heart. It receives the deoxygenated blood from the body through the vena cava and pumps it into the right ventricle.
  13. 29. A type of blood cell that is made in the bone marrow and found in the blood, they contain a protein called hemoglobin, which carries oxygen from the lungs to all parts of the body.
Down
  1. 1. a condition marked by a deficiency of red blood cells or of hemoglobin in the blood, resulting in pallor and weariness.
  2. 2. A condition in which the heart beats with an irregular or abnormal rhythm.
  3. 3. A health condition in which the long term force of the blood against your artery walls is high enough that it can cause health diseases.
  4. 5. The circuit of vessels supplying oxygenated blood to and returning deoxygenated blood from the tissues of the body, as distinguished from the pulmonary circulation.
  5. 6. Also known as hypotension. less than 120 or 80 systolic.
  6. 8. Are thick-walled, being uniformly thicker than the accompanying veins, except for the ones within the cranium and vertebral canal where these are thin.
  7. 9. A large vein carrying deoxygenated blood. carries blood from the lower body.
  8. 12. The artery carrying blood from the right ventricle to the lungs for oxygenation.
  9. 13. Any of the fine branching blood vessels that form a network between the arterioles and venules.
  10. 14. Between the left ventricle and the aorta. Prevents blood from flowing from the aorta back into the heart.
  11. 18. A small body of specialized muscle tissue in the wall of the right atrium of the heart that acts as a pacemaker by producing a contractile signal.
  12. 19. A large vein carrying deoxygenated blood into the heart. carries blood from the head, arms, and upper body.
  13. 21. One of the four chambers of the heart. It is positioned on the bottom left of the heart. It is the thickest of the chambers and it is responsible for pumping oxygenated blood to the tissues.
  14. 22. One of the four chambers of the heart. It is located in the left posterior side. Oxygenated blood enters here through the pulmonary vein.
  15. 25. Abnormally high blood pressure.
  16. 26. A rhythmic beating in the arteries caused by the beating of the heart.
  17. 27. The valve between the left atrium and the left ventricle of the heart.