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circulatory

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Term
Definition
endocardium   smooth layer of cells lining the inside of the heart  
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myocardium   muscular middle layer of the heart  
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pericardium   double-layered membrane on the outside of the heart  
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diastole   brief period of the rest in the heart  
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systole   period of ventricular contraction in the heart  
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capillaries   blood vessel that connects arterioles with venules  
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plasma   fluid portion of blood  
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hemoglobin   complex protein on red blood cells  
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arteries   blood vessels that carry blood away from the heart  
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veins   blood vessels that carry blood back to the heart  
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aorta   largest artery in the body  
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arterioles   smallest branch of arteries  
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aneurysm   sac-like formation in the wall of an artery  
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leukemia   malignant disease with large numbers of immature white blood cells  
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hemophilia   disease characterized by failure of the blood to clot  
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Leukocyte   White blood cell; the average number of white blood cells found per cubic millimeter of blood is 7,000; protect the body against both infectious disease and foreign invaders  
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Erythrocytes   is another name for red blood cells; average 5 million per cubic millimeter; helps carry oxygen from the lungs to the rest of the body and then returns carbon dioxide from the body to the lungs  
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Thrombocyte   Platelet; average 150,000 per cubic millimeter; help your body form clots to stop bleeding  
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Phlebotomist   people trained to draw blood from a patient for clinical or medical testing, transfusions, donations, or research  
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Cardiologist   heart doctor  
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Hematologist   branch of medicine concerned with the study, diagnosis, treatment, and prevention of diseases related to blood  
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Electrocardiogram   test that checks for problems with the electrical activity of your heart  
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universal donor   O blood  
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universal recipient   AB blood  
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blood types   A, B,AB,O  
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path a drop of blood takes through the heart STEPS 1-2   1. Blood enters the right atrium from the superior and inferior venae cavae,and the coronary sinus. 2. From right atrium, it goes through the tricuspid valve to the right ventricle.  
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path a drop of blood takes through the heart STEPS 3-4   3. From the right ventricle, it goes through the pulmonary semilunar valves to the pulmonary trunk 4. From the pulmonary trunk it moves into the right and left pulmonary arteries to the lungs.  
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path a drop of blood takes through the heart STEPS 5-7   5. From the lungs, oxygenated blood is returned to the heart through the Pulmonary veins. 6. From the pulmonary veins, blood flows into the left atrium. 7. From the left atrium, blood flows through the bicuspid (mitral) valve into the left ventricle.  
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path a drop of blood takes through the heart STEPS 8-9   8. From the left ventricle, it goes through the aortic semilunar valves into the ascending aorta. 9. Blood is distributed to the rest of the body (systemic circulation) from the aorta.  
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Created by: thalia1103
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