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this word search contains different words that are related to blood.
Viewed 1715 times - Created inside Science. this contains words that are related to blood
Viewed 3910 times - Created inside Science. veins have to rely on momentum, existing blood pressure and a system of valves to work against gravity and get blood back to the heart. When muscles contract they act as a pump, by compressing the veins, to assist with blood flow.
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