| Term 
 | Definition 
 
        | lack of O2 carrying capacity in the blood |  | 
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        | Term 
 | Definition 
 
        | a protein that B cells of the immune system produce in response to the presence of a nonself antigen; it reacts with the antigen |  | 
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        | Term 
 | Definition 
 
        | A chronic disease in which thickening, hardening, and loss of elasticity of the arterial walls result in impaired blood circulation |  | 
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        | Term 
 | Definition 
 
        | A form of arteriosclerosis in which the arteries become clogged by the buildup of fatty substances, which eventually reduces the flow of blood to the tissues. |  | 
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        | Term 
 | Definition 
 
        | a chemical that stimulates B lymphocytes to produce antibodies |  | 
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        | Term 
 | Definition 
 
        | major systemic artery that receives blood from left ventricle |  | 
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        | Term 
 | Definition 
 
        | chamber of the heart that receives blood from veins |  | 
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        | Term 
 | Definition 
 
        | specialized mass of cardiac muscle fibers in the interatrial septum of the heart; transmits cardiac impulses from sinoatrial node to the A-V bundle |  | 
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