who was the first person to discover that there are micro-organisms in the air that make food go off?
What are microbes?
Microbes are small organisms that can only be seen with a microscope.
Name the 3 types of microbe.
How many cells do types of fungi contain?
Either. They are unicellular and multicellular.
Name the 3 things that make up the structure of a fungi.
How many cells do bacteria contain?
One. They are unicellular
Name the 4 things that make up the structure of a bacterium.
Strand of DNA
What are viruses?
Viruses are very simple organisms, even smaller than bacteria. Viruses will only carry disease in your body. When they enter your body they completely take over and kill a cell
How can we protect ourselves from disease?
Cover your mouth when you cough
Use a handkerchief when you have a cold
Clean cuts and cover them with a plaster
keep your body clean
wash hands before eating/preparing food
Keep food tightly wrapped in the fridge
Use a condom during sexual intercourse
What are white blood cells?
White blood cells are cells in your blood especially created for engulfing invading pathogens and creating antibodies to help fight off disease.
Another word for a white blood cel that engulfs and digests microbes is...
What are the chemicals used to make antibodies?
What are vaccinations?
Vaccinations are where dead or weakened microbes that cause disease are inserted into your blood. This is so your white blood cells can create an antibody which create memory cells, so that if you were to catch the real disease you would be immune because your body knows how to fight it off.
What are antibiotics?
Antibiotics are chemicals produced by fungi that either kill bacteria or stop them growing. Sir Alexander Fleming discovered this.
What can bacteria be useful for?
Breaking down faeces in sewage works
Good bacteria is found in the process of making yoghurt