biology

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  • Created by: willise
  • Created on: 17-03-15 12:10

Biology:

Keeping Healthy:

Bacteria and viruses-

  • Microorganisms that cause infectious diseases are called Pathogens.
  • Bacteria and viruses are the two main types of pathogen that may affect health.

Bacteria:

  • Very small
  • Reproduce very quickly
  • Can produce toxins (poisons) that can make us feel ill.
  • Responsible for illnesses like tetanus, cholera, tuberculosis. 

Viruses:

  • Even smaller than bacteria
  • Reproduce very quickly once inside living cells, which are then damaged.
  • Can produce toxins (poisons) that can make

Comments

devorahleah

very helpful, thnx alot!!

devorahleah

very helpful, thnx alot!!

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