Biology 0.0 / 5 ? BiologyHealthy livingGCSEAQA Created by: Alice24AtkinsCreated on: 09-02-16 19:10 Why do people become obese? People become obese when they take in too much energy and don't burn it off. 1 of 6 What does it mean to have to have a high metabolic rate? If a person has a high metabolic rate, chemical reactions happen faster in the body, therefore energy is burnt faster. 2 of 6 What does 'good' cholesterol do? 'Good' cholesterol repairs cell membranes and helps to make vital substances. 3 of 6 What do pathogens cause? They cause infectious diseases. 4 of 6 What are pathogens? They're usually small microorganisms such as viruses or bacteria. 5 of 6 How do pathogens make you feel ill? They enter the body and reproduce rapidly, then they release toxins (poison) 6 of 6
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