B3 topics 3.5 / 5 based on 2 ratings ? BiologyGCSEAQA Created by: Daniel GrayCreated on: 12-05-13 20:03 What is diffusion? The movement of particles from an area of high to low concentration. 1 of 6 What is active transport? The movement of particles against the concentration gradient from an area of low to high concentration using energy 2 of 6 What does a stent do? Squash fatty tissue deposits in the arteries to increase the area blood can flow to prevent heart attacks 3 of 6 Two things the pancreas does? Produces insulin and glucagon 4 of 6 What is the name of artificial blood used in emergencies Saline 5 of 6 How do you keep cool when it's hot? Sweat secreted from sweat glands. 6 of 6
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