Term
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Definition
A- anti B; can get from A and O
B- anti A; B and O
AB - anti none; A, B, and O (all)
O - anti a and anti B; O |
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Term
| functions of blood: transport |
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Definition
oxygen(lungs) &nutrients(intestines) to capillaries
absorb wastes
CO(2) from blood to lungs
urea from liver to kidneys |
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Term
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Definition
plasma (55%) - water, proteins, salts, gases, nutrients, urea, hormones, vitamines
formed elements (45%) - RBC, WBC, platlets (mostly RBC) |
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Term
| characteristics of RBC (Erythrocytes) |
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Definition
small, biocave, no nuclei
contain hemoglobin=carrier for oxygen
arteries carry more oxygen
live approx, 120 days |
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Term
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Definition
larger, nucleus, lack hemoglobin
WBC count=5000 to 10,000
granular or agranular
fight disease |
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Term
| Characteristics of Platelets |
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Definition
fragments of certain large cells in red bone marrow
no nuclei; half size of RBC
live apprx, 10 days
repair damage to blood vessels
initiate blood clotting |
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Term
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Definition
antigens - detect blood type = marker proteins
antibodies - substances in plasma that react w/ a foreign substance to protect body |
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Term
| function of blood: regulation |
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Definition
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Term
| function of blood: defense |
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Definition
| protects against infection |
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Term
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Definition
| foreign antigens cause RBC's to clump together |
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