circulatory system
Post on 25-May-2015
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Heart attack
Cholesterol
Stent
Components of the blood Red blood cellsThe red blood cells are responsible for the transport of Oxygen through the body White blood cellsThe white blood cells are responsible for the defense against microorganisms and viruses. PlateletsThe platelets (fragments of other cells) help in blood clotting. PlasmaThe blood plasma transports dissolved substances through the body.
Arteries, capillaries and veins
From heart to organs From organs to heart
Oxygenated blood(1 exception)
Deoxygenated blood(1 exception)
High pressure Low pressure
Thick walls Thin walls
NO valves Valves
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