what is outlined in black within the left ventricle?
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right pulmonary vein
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L pulmonary vein
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R pulmonary artery
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living blood cells
the formed elements
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plasma
fluid matrix of blood
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blood
specialized connective tissue; only fluid tissue in the body
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distribution, regulation, and protection
3 functions of blood
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plasma
55% of whole blood; least dense component; made of mostly water
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formed elements
consists of buffy coat and erythrocytes
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buffy coat
leukocytes and platelets;
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erythrocytes
45% of whole blood; most dense component
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hematocrit (HCT)
percentage of whole blood made up of erythrocytes, found by dividing the volume of pack RBCs by the total volume of blood; units in %
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erythrocyte
red blood cell
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leukocyte
white blood cell
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42-52%
normal male hematocrit
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37-47%
normal female hematocrit
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hemoglobin
oxygen carrying blood protein
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oxyhemoglobin
when hemoglobin combines with O2
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45%
percent of formed elements that make up total composition of whole blood
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erythrocytes
98% of elements in blood
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transport O2 and CO2
function of erythrocytes
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erythropiesis
process that forms erythrocytes
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erythryocytes
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defense and immunity
functions of leukoctyes
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lymphocyte
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neutrophil, lymphocytes, monocytes, eosinophils, and basophils
5 types of leukocytes
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neutrophil
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monocyte
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eosinophils
red granules
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basophils
blue granules
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granulocytes
leukocytes that contain granules for chemical defense; consist of neutrophils, basophils, and eosinophils
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agranulocytes
leukocytes that lack cytoplasmic granules; lymphocytes and monocytes
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50-70%
neutrophils
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24-45%
lymphocytes
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3-8%
monocytes
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2-4%
eosinophils
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0.5-1%
basophils
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platelets (thrombocytes)
not true cells; seal small openings in blood vessels; instrumental for blood clotting
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antigens
on erythrocyte; determine blood type
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antibodies
in plasma; attack and agglutinate erythyrocytes
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Rh factor
the + or - of blood type
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erythroblastosis fetalis
\n occurs when mother is Rh- and first has a baby that is Rh+, On second pregnancy, mother's developed antibodies will recgonize the baby's blood type as foregin and will cross the placenta blood barrier and attack the erythrocyte of the fetus