B2 keeping healthy

OCR 21st century science/ B2 keeping healthy

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  • Created by: seun
  • Created on: 13-06-09 09:55

Microorganisms and Disease

Infecions and disease are caused by microorganisms that invade the body.

these include:

  • bactieria
  • Virus
  • fungi

these are all called pathogens.

The ideal conditions for microorgamisms to reproduce quickly is in warm,damp and moist places (e.g inside the human body)

When the pathogens reproduce inside the body they cause an infection.

Some pathogens take longer than others to cause infection.

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