1.1 Disease Flashcards
0
Q
How do pathogens enter the body?
A
Through gaps in the barriers such as the respiratory system and digestive system.
1
Q
What is a pathogen?
A
A micro organism which causes disease
2
Q
How do pathogens cause disease?
A
To destroy host cells and produced toxins
3
Q
What is correlation?
A
A relationship between two variables
4
Q
What is a causal link?
A
A link between two variables when one has directly affected the other
5
Q
What is risk?
A
The probability of disease occurring
6
Q
What factors increase the risk of contracting cancer?
A
Smoking Diet Obesity Physical activity reduces risk Excessive UV exposure
7
Q
What are the three types of pathogens?
A
Funghi
Bacteria
Virus