Question 2
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- Identify the organ illustrated in the diagram. [1 marks]
 - Name two blood vessels associated with the organ. [2 marks]
 - Mention the system that would be affected if the illustrated organ was impaired. [1 marks]
 
 - Name two diseases that could affect the illustrated organ.[2 marks]
 - 
              
- State two harmful habits to the organ illustrated.[2 marks]
 - State two habits that could make the organ in the illustrated diagram healthy.[2 marks]
 
 
The diagram below illustrates an organ in humans. Study it and answer questions 2 (a) to (c).

Observation
Some candidates could not name the blood vessels associated with the organ. Majority could also not mention the system that would be affected if the organ is impaired. A few candidates could name the diseases associated with the organ.
     
The  expected answers are: 
    
- 
            
- Identification of the organ
Heart/the human heart - Blood  vessels associated with the organ
                    
- - artery/named.
 - - vein/named.
 - - capillary.
 
 - System to be affected if the organ is impaired
Circulatory system/transport system. 
 - Identification of the organ
 - Diseases of the organ
            
- - cardiac arrest/heart attack/heart failure
 - - pericarditis/myocarditis/endocarditis
 - - high blood pressure/hypertension/low blood pressure/hypotension
 - - arteriosclerosis/artheriosclerosis.
 - - coronary thrombosis
 
 - 
            
- Habits harmful to the organ
                    
- - high fat diet/poor nutrition
 - - physical inactivity/sedentary living.
 - - poor rest/poor sleep.
 - - tobacco use/ smoking
 - - alcohol use
 
 - Habits beneficial to the organ
                    
- - physical activeness/exercise.
 - - appropriate nutrition/ balanced diet
 - - good rest/sleep
 - - regular medical check up
 - - abstaining from tobacco use/ smoking
 - - abstaining from alcohol use
 
 
 - Habits harmful to the organ