THE BLOOD

9arush
Mind Map by , created about 6 years ago

GCSE Biology (Blood) Mind Map on THE BLOOD, created by 9arush on 08/07/2013.

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9arush
Created by 9arush about 6 years ago
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THE BLOOD
1 Immune response
1.1 Antigens are sites on the surface of cells allowing it to be recognised by WBC's
1.2 WBC's release antibodies
1.2.1 antibodies work like enzymes ( Lock & Key)
1.2.2 Causes problems with donor organs as WBC's may attack and slowly destroy it
2 Composition of Blood
2.1 Plasma
2.1.1 Transports materials around the body
2.2 Platelets
2.2.1 Clot blood
2.2.2 Clotting Process
2.2.2.1 Blood is exposed to air
2.2.2.1.1 Platelets breakdown & fibrin is formed
2.2.2.1.1.1 The fibrin forms a mesh which hardens forming a clot
2.3 White blood cells
2.3.1 Used during Phagocytosis
2.3.2 Process of Phagocytosis
2.3.2.1 The WBC approaches the bacterium
2.3.2.1.1 it then engulfes thr bacterium
2.3.2.1.1.1 The DNA codes for digestive enzymes
2.3.2.1.1.1.1 The enzymes are released and destroy the bacterium
2.4 Red blood cells
2.4.1 carry oxygen
2.4.2 biconcave cells containing no nucleus
2.4.3 Contain haemoglobin

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