What are Carbohydrates for?

What are Fats for?

What is protein for?

What is Fibre for?

What do vitamins and mineral ions do?

What is the name for the speed at which chemical reactions inside the body happen?

What is a Pathogen?

What are the two main types of bacteria?

Bacteria

Viruses

What stops nasties getting into your body?

What also stops microorganisms from getting in through cuts/ wounds?

What do white blood cells do?

How did Semmelweis cut deaths?

What happens when bacteria becomes resistant to antibiotics?