What does a healthy diet contain?

How is a person malnourished?

How does a person lose mass?

What is the metabolic rate?

How can inherited factors affect your health?

What causes infectious diseases?

How can bacteria and viruses make you feel ill?

What are the three ways the White blood cells help to defend against pathogens?

How do specific antibodies lead to immunity?

What did Semmelweis recognize?

What do painkillers do?

What do antibiotics do?

What develops resistance?

How do new strains develop?

higher tier

How do people become immunised?

What is an MMR vaccine?

How are cultures formed?

what temperature would it be incubated for?