Keeping healthy Flashcards
What affects your metabolic rate?
Exercise
Proportion of muscle to fat
Inheritance
Who realised infection could be transferred from person to person?
Semmelweiss
What are the body’s defence mechanisms?
Skin, mucus and stomach acid.
How do white blood cells stop pathogens?
Ingest pathogens
Produce antibodies
Produce antitoxins - counteract the toxins
Why are viruses difficult to kill?
They reproduce inside body cells - any treatment could damage the cells.
What temperatures must bacteria be kept at?
25ºC in school labs
35ºC in industry
What is the difference between an epidemic and a pandemic?
Epidemic is within a country. Pandemics are across countries.
What is a vaccine?
A dead or inactive pathogen.
What does the MMR vaccine prevent?
Measles, mumps and rubella.
What does the overuse of antibiotics lead to?
Develop of new strains of bacteria.
