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JC Circulatory

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.

Heart   organ in the body that pumps blood around the body  
red blood cell   blood cell that carries oxygen around the body  
haemoglobin   molecule, made of iron in the red blood cell, to carry oxygen  
white blood cell   fights infection  
platelets   blood cell which forms clots and scabs and prevents bleeding out  
plasma   liquid part of the blood - carries gases, nutrients, wastes etc  
artery   carries oxygenated blood away from the heart. Description: has thick wall, thin lumen, blood under high pressure  
vein   carries deoxygenated blood to the heart. Description: has thin wall, large lumen, valves  
capillary   tiny blood vessel one cell thick that connects arteries and veins  
atrium   these are the top two chambers of the heart  
ventricle   these are the bottom two chambers of the heart  
septum   middle wall of the heart separates oxygenated and deoxygenated blood  
cardiac muscle   special type of muscle the heart is made of - never tires  


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Created by: msbrowne