Inheritance Flashcards
Define inherited?
A feature passed on from parents to their offspring through genes
Give reasons for the low death rate from infectious diseases in modern hospitals
better knowledge of immunity
better new drugs
sterilisation of equipment or isolation of patients
How is an pandemic different from an epidemic
Pandemic occurs when a disease spreads between different countries
Epidemic occurs when a disease spreads within one country
Why do painkillers do not cure infectious diseases.
They don’t kill pathogens
What is a bacteria
Single celled organism
Can only reproduce rapidly
How can pathogens be passed on?
Droplet infection (sneezing)
Direct contact
a break in the skin
Contaminated food and drink
How does your body prevent blood poisoning by getting into the blood through cuts?
Blood clots
that quickly seal the skin
which keeps microorganisms out