1.3 form 3 exercise
DESCRIPTION
sains t3TRANSCRIPT
1.3 IMPORTANCE OF A HEALTHY RESPIRATORY SYSTEM
A) Write the names of the respiratory system diseases that match the description.
Respiratory system disease Description1. Alveoli are damaged and destroyed.2. Air passages are stimulated to
narrow suddenly by certain substances, causing breathing difficulty.
3. Inflammation of the bronchi4. Abnormal cells grow in the lungs.
B) Underline the correct answers.
1. Cigarrete smoke contains (nicotine / tar/ carbon dioxide) which makes the smoker addicted to cigarrete smoking.
2. Cigarrete smoke contains tar which is (carcino