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        | The resistance to flow and alteration of shape due to cohesion |  | 
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        | The fluid portion of the blood, which is mostly water |  | 
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        | The cells and cell parts of blood produced by the bone marrow |  | 
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        | Red blood cells which carry the oxygen in blood |  | 
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        | White blood cells which perform various defensive functions in blood |  | 
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        | Cell fragments in blood which help prevent blood loss |  | 
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        | Passage of any formed element of blood through the blood vessel and into the tissue spaces |  | 
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        | Attraction of cells to chemical stimuli |  | 
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        | The process by which the formed elements of blood are made in the body |  | 
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        | The process by which the body stops blood loss |  | 
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        | Proteins in blood plasma which help initiate the blood coagulation process |  | 
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        | Blood vessels that carry blood away from the heart |  | 
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        | Tiny, thin-walled blood vessels that allow the exchange of gases and nutrients between the blood and cells |  | 
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        | Blood vessels that carry blood back to the heart |  | 
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        | Circulation of the blood over the air sacs of the lungs |  | 
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        | Circulation of the blood through the other tissues of the body |  | 
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        | The phase of the cardiac cycle in which the ventricles contract |  | 
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        | The phase in the cardiac cycle in which the ventricles relax |  | 
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        | One complete round of systole and diastole |  | 
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        | The smallest arteries that still have three tunics |  | 
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        | Term 
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        | Small veins that do not have three tunics but instead have only an endothelium, a basement membrane, and a few smooth muscle cells |  | 
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