Disease and Immunity
fact recall questions on disease and immunty
(sorry if the answers were obvious and for the typing mistakes)
- Created by: lovebiology101
- Created on: 07-05-13 14:32
Other questions in this quiz
2. what is a pathogen?
- an infection that causes disease
- a microorganism that causes disease
- a single celled organism that is too small to be seen without a microscope.
3. Give two ways that pathogens cause disease
- by bursting the cells and ingesting it
- by producing toxins and by damaging the host cell
- by producing chemicals and entering the cells
4. Give three factors that increase the risk of developing coronary heart disease.
- lots of exercise, sunlight and drinking.
- poor diet, smoking and lack of exercise
- small alchohol intake,smoking and lack of sleep
5. Describe how the gas-exchange system prevents the entry of pathogens into the body.
- Pathogens are trapped by mucus lining the lung epithelium. The cilia on these cells beat and move the mucus up to the mouth so it can be removed.
- the pathogens are removed by cillia on the lungs lining and sneezed out through the nose.
- the pathogens are killed in the lungs by white blood cells and removed by coughing or sneezing
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