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9.1 Blood - Coggle Diagram
9.1 Blood
consist of
plasma
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transport of carbon dioxide, digested food (nutrients), urea ?, mineral ions, hormones and heat energy
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platelets
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platelet gather around the damage area to stop bleeding + protein (plasma) form tangle fine strands ---> trap the RBC and seal wound
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Blood test
sickle cell anaemia
- genetic disease (mutation on DNA)
- faulty Hb ( changes in Hb)
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- tend to get stuck in narrow blood vessels
- blocking the flow of blood
- strokes, blindness, or damage to the lungs, kidneys, or heart
malaria
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- lives in RBC & feed on Hb
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- infected RBC sticky together and block vessel
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