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How Clean Are You
- 2. How Clean Are Your Hands?
- 3. Take an agar plate
- 4. Press your fingers on the agar
- 5. Incubate the plate for a few days... for a few days...
- 8. Bacteria colonies from your hands!
- 10. Bacteria are grouped according to their shapes.
- 12. The most common shape is the rod shape.
- 13. Pseudomonas fluorescens - soil bacteria
- 18. Then there are the spheres.
- 22. A bunch of grapes? It’s the deadly staphylococcus again!
- 23. Bacteria ejected out in a sneeze at speeds up to 160 km/h. So cover your mouth and nose when you sneeze! So cover your mouth and nose when you sneeze!
- 24. Some look like noodles!
- 25. Leptospira - causes fever, headache, muscle ache, vomiting, jaundice, red eyes, diarrhoea, and abdominal pains.
- 26. Luckily, we have white blood cells, our body’s soldiers.
- 27. Mycobacterium tuberculosis (green) - causes TB, being eaten up by white blood cell (brown).
- 28. Shigella (orange), trapped in white blood cells.
- 29. Some have flagella to help them move.
- 30. Helicobacter pylori (with flagella) - causes gastrointestinal diseases.
- 31. Helicobacter
- 32. Some stay in the most harsh environment.
- 34. Here are some infamous viruses, which are smaller than bacteria.
- 36. HIV = AIDS
- 37. Bacteria, they’re everywhere . Wash your hands with soap before you eat .