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3 Sections of the cardiovascular sytem
Heart
Blood vessels
Blood
Functions of the cardiovascular system
transport blood
supplying the body’s cells with oxygen
Supply cells with nutrients
Supply cells with hormones & other substances
removing wastes
The heart
Made of cardiac muscle cells.
Is a pump.
Blood vessels
Closed system that transports blood.
Arteries - Away from the heart (oxygenated sans pulmonary arteries)
Veins - Towards the heart (deoxygenated sans pulmonary veins)
Capillaries - Site of nutrient, gas, waste and fluid exchange