B3 2.1 The circulatory system and the heart
- Created by: Maisy Geddes
- Created on: 28-04-13 19:41
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humans have a circulatory system which consists of blood, blood vessels and the heart.
the right pump forces deoxygenated blood to the lungs where is picks up oxygen and looses carbon dioxide.
the left side pumps oxygenated blood to the rest…
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