Observation

This question was attempted by majority of the candidates and their performance was good.
In part (a) (i) some candidates could not correctly identify the diagram, they wrote wrong answers such as heart, kidney, long, human heart e.t.c. In part (a) (ii) they did well in it, but some candidates wrote wrong answers such as lungs and blood vessels, nose and mouth, larynx and airsacks e.t.c. In part (a) (iii) few candidates got it right, while most of them wrongly stated the circulatory system, the heart, the bone e.t.c. In part (b) (i) they did well in it, but few candidates stated hypertension, hypotension, heart problem e.t.c. In part (b) (ii) majority got the answer. In part (c) they did fairly well, but some candidates wrote wrong answers such as eating balanced diet, eating healthy e.t.c.
The expected answers are as follow:

1 (a)(i) IDENTIFICATION OF THE ILLUSTRATED ORGAN

• lungs

 (ii)      STRUCTURES ASSOCIATED WITH THE ILLUSTRATED ORGAN

• lobe(s)
• bronchioles
• bronchi
• trachea

(iii)      SYSTEM THAT WOULD BE AFFECTED IF THE ILLUSTATED ORGAN IS 
          DAMAGED

• respiratory system

                                                
(b)(i)   DISEASES THAT COULD AFFECT THE ILLUSTRATED ORGAN
-     cancer of the lungs
-      bronchitis
-      emphysema
-      asthma
-       tuberculosis
-       pneumonia

(ii)      HUMAN HABIT THAT IS DANGEROUS TO THE ILLUSTRATED ORGAN

• smoking
• sniffing hard drugs/inhalation of air pollutants/named

                                             
(c)       HUMAN HABITS THAT COULD MAKE THE ILLUSTRATED ORGAN HEALTHY
-      regular exercise
-      avoidance of cigarette smoking/non-cigarette/tobacco smoking
-      avoidance of fumes from machine/engine/living in air pollutant