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Circulatory system Heart (blood (platelets (clotting, they heal cuts), Red…
Circulatory system Heart
blood vessels
arteries
from the heart
capillaries
tiny blood vessels (1cell thick)
carry blood from arteries to the cells
veins
to the heart
have valves to stop the blood going back down.
blood
plasma
water & dissolved stuff/ nutrients
platelets
clotting
they heal cuts
white blood cells
attack foreign cells
Red blood cells
Haemolobin is in red blood cells
carry to oxygen to cells
haemoglobin