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Definition
Connective tissue - nonliving fluid matrix (plasma) where living cells (formed elements) are suspended
Bright scarlet when carrying lots of oxygen (arteries), and dull brick red when carrying very little oxygen (veins) |
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| 90% water with nutrients, gases, hormones, wastes, proteins, electrolytes dissolved in it |
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| Erythrocytes (RBCs), leukocytes (WBCs), platelets |
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Granulocytes: neutrophils, eosinophils, and basophils
Agranulocytes: lymphocytes and monocytes |
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Nucleus multilobed
Phagocytize bacteria
MOST NUMEROUS |
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Nucleus bilobed, red granules
Kill parasitic worms, allergies and asthma |
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Definition
Nucleus lobed, large blue-purple granules
Release histamine, contain heparin (anticoagulant)
LEAST NUMEROUS |
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Nucleus spherical
Mount immune response by cell attack or antibodies |
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Nucleus U shaped
Phagocytosis, develop into macrophages in tissues |
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Cytoplasmic fragments containing granules
Seal small tears in blood vessels |
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Percentage of total blood volume composed of RBCs
40-54% in males, 38-47% in females
Use centrifuge to test |
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| Major function of the CV system |
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Definition
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Definition
Right atrium
Right ventricle
Left atrium
Left ventricle |
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| Pathway of blood through heart |
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Definition
| Vena cava --> right ventricle --> tricuspid valve --> right atrium --> pulmonary trunk --> left pulmonary artery --> lungs --> pulmonary veins --> left atrium --> mitral (bicuspid) valve --> left ventricle --> aorta |
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| How do the valves of the heart work? |
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Definition
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| Histology of cardiac muscle |
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Definition
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| Components of the intrinsic conduction system |
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Definition
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| Sequence of excitation of the heart in relation to the deflection waves of an ECG tracing |
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