1. Cells & Organisms – Micro organisms

2. Microorganisms are very small living things.
They can only be seen using a microscope.
How many different microbes can you name?

3. microorganisms
bacteria
viruses
fungi

4. eyes ears nose mouth skin genitals cuts
Microbes can enter the body in many different places.
eyes
ears
nose
mouth
skin
genitals
cuts
How are the diseases caused by microbes spread?

5. Viruses can cause disease
Common cold
influenza (flu)
HIV/ AIDS

6. Bacteria can cause disease
food poisoning
bacterial
meningitis
impetigo

7. Can you .. Tell what micro organisms are
Name the three different types of Micro-organisms
List three common illnesses caused by Bacteria
List three common illnesses caused by Viruses

8. Using microbes in Industry
Bacteria grow in milk to make it ‘go off’.
This is used to make milk into yoghurt and into cheese.

9. Using microbes in industry - yeast
Yeast carries out respiration:
energy
glucose
oxygen
carbon
dioxide
water
This is useful for making bread and beer

10. Uses of Micro organisms in Medicine
1. Antibiotics are made by some micro organisms and can be used to treat bacterial infections
2. Genetically altered bacteria can be used produce hormones like Insulin which we use to treat diabetes

11. Test yourself.. What are Micro- organisms?
Name the three different types of Micro-organisms.
Describe how micro-organisms are used in industry
Describe how micro-organisms are used in medicine
List three common illnesses caused by Bacteria
List three common illnesses caused by Viruses