Home Economics - Circulatory System
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What is a pulse?
This is when blood is forced into the arteries
Describe the three types of blood vessels in the body
1. Arteries carry blood away from the heart
2. Veins carry blood to the heart
3. Capillaries join arteries and veins
Describe the composition of blood
1. Plasma carries oxygen and nutrients around the body
2. Red blood cells carry oxygen
3. White blood cells fight against infection
4. Platelets clot the blood
What is coronary heart disease?
This is when the arteries of the heart become blocked with cholesterol
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