Heart and Circulation

Thr heart, circulation and blood. Suitable for all levels at gcse.
What a carries oxygenated blood?. What c is the smallest blood vessel?. What v is a chamber of the heart?. What P 'eats' bacteria?. What R is biconcave?. What V stops the backflow of blood?. What P is a straw coloured liquid?. What L produces antibodies?. What H carries oxygen?. What V carries deoxygenated blood?. What M is the heart made of?. What R collects blood from the body?. What L collect blood from the lungs?. What C supplies the heart with blood?. What P controls heart rate?. What D is the movement of gases?. What R protects the heart and lungs?. What O is the movement of water through a membrane?. What R is the release of energy in cells?. What G is carried in the blood?.

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