B3 diseases Flashcards
what is bacteria
small cells
enter body
produce toxins
damage cells and tissues
viruses are not ____
cells
how do diseases spread
water - drinking
air - breath in
contact - contamination
how does skin help to fight disease
acts as a barrier
secrète anti microbial substance
how do hairs and mucus act as a barrier
trap particles in nose
how do the trachea and bronchi fight disease
secrete mucus
lined with cilia to waft mucus to be swallowed
how does the stomach fight disease
hydrochloric acid to kill pathogens
how to prevent disease
wash hands
destroy vector
isolate infected individuals
vaccination
name 2 bacterial diseases
salmonella
gonorrhoea
cause of salmonella
eating contaminated food
symptoms of salmonella
fever
stomach cramps
cause of gonorrhoea
sexual contact with someone with the std
symptoms of gonorrhoea
pain when urinating
yellow or green discharge
treatment for gonorrhoea
antibiotics
barrier methods
