Causes of disease

HideShow resource information
  • Created by: Amy
  • Created on: 29-12-13 13:25

Pathogens

  • Enter, colonise, resist, damage.
  • Infection: entered + colonised.
  • Disease: recognisable symptoms.
  • Transmission via interface.
  • Gas-exchange + digestive systems. (Thin, moist, large s.a, well supplied with blood.)
  • Prevent: mucous, enzymes, stomach acid.
  • Disease caused by damage to tissues. (No. of pathogens, prevented functions, toxin, viruses inhibit DNA, RNA, protein synthesis, break down membranes.)
1 of 3

Data + disease

  • Correlation (change in variable, reflected by change in another) or causal relationship?
2 of 3

Lifestyle + health

  • Risk: measure of probability that damage to health will occur as result of hazard.
  • Lifestyle factors: smoking, diet, obesity, physical activity, sunlight, blood pressure, blood cholesterol.
3 of 3

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Health, illness and disease resources »