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8 Cards in this Set
- Front
- Back
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what does blood consist of?
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plasma, platelets, blood cells
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what does plasma consist of?
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1. soluble proteins (serum albumin, serum globulin, fibrinogen, prothrombin)antibodies
2. dissolved mineral salts (occur as ions) 3. food substance 4. excretory waste products 5. hormones 2. |
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structure of red blood cells
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circular, flattened, biconcave disc making the centre of the cell thinner than its edge. does not poseesess a nucleus. elastic
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red blood cells produced by what?
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bone marrow
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lifespan of red bloodcells
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3-4 months
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red blood cells contain what pigment?
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haemoglobin
(contains iron) |
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what does haemoglobin enable red blood cells to do?
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transport oxygen from the lungs to all cells in the body
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how is haemoglobin broken down?
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breaks down to iron stored in liver, and bile pigments excreted into the gut in the bile
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