cie a level physics slide
Transcript of cie a level physics slide
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• Blood plasma
• Tissue fluid
• Lymph• Red blood cells
• White blood cells
CHAPTER 8. THE MAMMALIAN
TRANSPORT SYSTEM
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BLOOD
PLASMA
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• Pale yellow fluid
• Made up of :
• Water • Nutrients
• Waste products
• Plasma proteins
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TISSUEFLUID
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• Blood plasma with fewer plasma protein
• Red blood cells – too large
• White blood cells – some can squeee
through
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Blood pressurehigh
Lower osmotic
pressure
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LYMPH
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• !"# tissue fluid return to blood system by
lymphatics
• $al%es allowing large protein molecules to
pass through
• Protein conc & rate of loss in plasma '
Protein conc & rate of loss in tissue fluid
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M($)M)N*+
• Muscles around %essels
• $al%es
• +mooth muscles in walls
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,ymph nodes
Remo%e unwanted
particles
+ecretes
antibodies
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RED BLOODCELLS
(ERYTHROCYTES)
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• Red
• -lobular protein
•.oetus – li%er
born – bone marrow
• Rupture in spleen
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• Biconca%e disc shape
• $ery small – haemoglobin close to surface
• .le/ible – ha%e specialised cytos0eleton
• No nucleus1 no mitochondria1 no )R
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WHITE BLOOD CELL
(LEUCOC YTES)
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• 2a%e nucleus
• ,arger than red blood cells
• +pherical or irregular
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WBC
Phagocytes
Lobed
nucleus
Granular
cytoplasm
Lymphocytes Large round
nucleus
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THE
END.