chapter 10 Flashcards
Diseases & immunity
What is a pathogen?
a migrooganism that causes disease
What disease can viruses cause?
common cold
aids
measles
What disease can bacteria cause?
cholera
TB
What disease can protoctists cause?
malaria
What disease can fungi cause?
ringworm
athletes foots
What is a host?
an organism in which pathogen lives & reproduce
What is a transmissible disease?
a disease that can be passed on from 1 host to another
What happens when pathogens enter the body?
damage our cells by living in them
What is a toxin?
a poisonous substance that damages cells
what are symptoms?
features that you experience when you have a disease
What does transmission mean?
the movement of a pathogen from one host to another
what is a infection?
the entry of a pathogen into the body of the host
How can indirect transmission happen?
- breathing in droplets containing pathogens
2.touching a surface containing pathogens
3.eating or drinking water containing pathogens - ocntact with animals
name 2 example of indirect transmission?
1.cold
2. covid-19
what are direct transmission?
sometimes called contagious disease
name 2 examples of direct transmission?
1.HIV
2.atheltes foot
What are the 4 most important food hygiene rules?
- keep your bacteria & viruses away from your food
2.keep animals away from your food
3.dont keep foods at room tempreture for long periods
4.keep raw meat away from other foods
