OCR AS Biology Unit 2 Module 2 Food and Health Learning Outcomes Discuss what is meant by the terms health and disease Define and discuss the meanings of the terms parasite and pathogen What is health ID: 432245
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Health and Disease
OCR AS Biology
Unit 2
Module 2: Food and HealthSlide3
Learning Outcomes
Discuss what is meant by the terms health and disease
Define and discuss the meanings of the terms parasite and pathogenSlide4
What is health?
“health is more than just the absence of disease”
What is meant by health?
What is meant by disease?
Health
absence of disease
Disease
disorder of a systems normal functionsSlide5
What is health?
You have been given 6 case studies
In your groups
discuss the health of each individual
Rank them from 1 – 6
1 healthiest
6 unhealthiest
Remember you must be able to give reasons for your choicesSlide6
Definitions
Health
A state of complete physical, mental and social well-being, which is more than just the absence of disease.
Disease
A problem with mind or body leading to a departure from good health.Slide7
Good Health
Free from disease
Able to carry out mental and physical tasks expected by society
Well fed, balanced diet
Housing and sanitation
Happy and positive outlook
Well integrated into societySlide8
The Health Triangle
Physical
health means the health of the body
Mental
health means the health of the mind.
Social
health means forming good relationships.Slide9
The Health Triangle
If you take any of these away - the triangle collapses
Physical
Social
MentalSlide10
What is health?
In your groups
Go back to the original 6 case studies
Have your opinions changes
Rank them from 1 – 6
1 healthiest
6 unhealthiest
Remember you must be able to give reasons for your choicesSlide11
Disease
There are nine broad overlapping categories of disease (see handout)
Diseases can also be grouped into
Single cause e.g. malaria
Multifactorial e.g. heart diseaseSlide12
Disease
Acute
Sudden rapid changes and lasting for a short time
Chronic
Long term – debilitating
Develops slowly and persists