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How do bacteria's harm us?
How does bacteria reproduce rapidly inside the human body?
What is the role of the immune system?
What are antigens?
What are the roles of antibodies?
What do antibodies do?
What happens when the white blood cells recognizes the invader?
What are vaccinations?
What are antimicrobials?
What happens when viruses develop random mutations?
Which ways can drugs be tested to find out if it is safe?
What are clinical trials?
What does the term placebo mean?
What are blind trials?
What are double blind trials?
What are open labelled trials?
Where does the blood circulate through your body?
Why is the heart called a double pump?
What are arteries?
What are veins?
What are capillaries?
How can a persons heart rate be measured by taking their pulse rate?
What happens when your heart muscles contract?
How can humans get heart attacks?
How are lifestyle factors linked to heart disease?
What is epidemiological studies?
What is homeostasis?
