pathogens + diseases

Subdecks (3)

Cards (27)

  • disease - an illness or condition affecting part or all of the body, caused by
    • injury,
    • infection,
    • genetic factors,
    • environmental factors,
    • lifestyle choices
  • pathogen - any microorganism capable of causing disease:
    • bacteria,
    • viruses,
    • fungi,
    • protozoa,
    • worms
  • unicellar
    a single cell
  • inhibit
    prevent something from happening
  • human defences:
    • nose + mouth: stops entering
    • stomach acid: kills
    • skin: blocks
    • tears: washes away + enzymes break them down
    • mucus: traps
  • ciliated cell: moves mucus out of airways
  • goblet cell: produces mucus
  • capsule (bacteria) : helps the cell attach to surfaces
  • cell wall (bacteria):
    • extra layer of protection
    • helps maintain the shape of the cell
    • prevents dehydration / loss of water
  • flagella: helps the bacteria to move