Question 2
- Name:
The diagram below illustrates a system in humans. Study it and answer questions 2(a), 2(b) and 2(c).
(a) the system illustrated in the diagram. [1 mark]
(b) the parts labelled X and Y . [2 marks]
2. State:
(a)three ways of promoting hygiene of the system illustrated in the diagram. [3 marks]
(b)one harmful practice to the system illustrated in the diagram [1 marks]
3. List three diseases that could affect the system named in 2 (a)(i) [3 marks]
Observation
Some candidates erroneously called the system Respiration, Breathing. A few candidates could name the diseases associated with the system, many candidates mentioned harmful practices among diseases that could affect the system. Spelling errors also led to loss of marks for many candidates.
The expected answers are:
(a) (i)System illustrated in the diagram
Respiratory system
(ii) Parts labelled
X- lung / left lung
Y- bronchus / right bronchus
(b) (i) Ways of promoting hygiene of the system illustrated in the diagram
- engage in regular breathing exercise
- avoid mouth breathing
- avoid smoking
- stay away from /avoid dusty environment
- avoid bad posture
(ii) Harmful practice to the system illustrated in the diagram
- smoking cigarette
- sniffing hard drugs/named
- breathing through the mouth
- bad posture / named
- poor ventilation
(c) Diseases that could affect the system illustrated in the diagram
- common cold
- influenza/flu
- whooping cough / cough
- measles
- smallpox
- diphtheria
- asthma
- hay fever
- upper respiratory tract infection / bronchitis / laryngitis / tracheitis / named
- tuberculosis
- lung cancer