how to prevent and fight diseases Flashcards
4 things you can do to prevent disease
- hygien
- destroying–eg destroy mosquitos from breeding
- isolating infected individuals–prevents them form passing on the disease
- vaccinations
how does the skin help
acs as a barrier to pathogens, secretes antimicrobial substances which kill pathogens
how does air and mucus protect you
trap particles that could contain pathogens
how does the trachea and bronchi help
secrete mucus to trap pathogens
-lined with cilia
how does the stomach help
HCL kills bacteria
what happens if pathogens get into your body
immune system helps—WHITE BLOOD CELLS
1st stage of white blood cells
they consume foreign cells and digest them—phagocytosis
2nd stage of white blood cells
produce antibodies that produce rapidly and are carried around the body
3rd stage of white blood cells
produce anti toxins–counteract toxins produced by the bacteria