Science Revision

What are the 4 blood components?

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• PLATELETS
• RED BLOOD CELLS
• PLASMA
• WHITE BLOOD CELLS

What is the function of Red blood cells?

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• Carries oxygen from the lungs to the body

What is the function of white blood cells?

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• Creates antibodies to defend againt bacteria, viruses and potentially harmful invaders

What is the function of platelets?

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• Prevents bleeding and the prevents the blood to clot

Blood vessels?

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• Vein
• Artery
• Capillaries

Function of blood cells

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• Carries blood through tissues and organs

Function of the capilllaries

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• Transfers oxygen
• Smallest blood vessel

Function of the artery

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• Carries oxygenated blood away from the heart to your body

Function of the vein

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• Important part of the circulatory system
• Carries deoxygenated blood back to your heart