Gaseous Exchange

Gaseous Exchange
The percentage of respiratory disorders is high in Pakistan due to more concentration of air
chemicals
components
gases
pollution
Author: rikazzz Comment
Gaseous Exchange
The respiratory disorder in which cells division takes place without any control and causes tumors is called
emphysema
lung cancer
bronchi cancer
bronchioles cancer
Author: rikazzz Comment
Everyday Science
A human breath per minute is
16-30 times
16-20 times
15-20 times
15-18 times
Author: rikazzz Comment
Gaseous Exchange
The amount of carbon dioxide (CO₂) present in the inspired air is
0.0006
0.0004
0.04
0.06
Author: rikazzz Comment
Gaseous Exchange
The epiglottis, a flap of tissues covers the
pharynx
nostrils
nasal cavity
glottis
Author: rikazzz Comment
Gaseous Exchange
The disorder in which, bronchi are inflamed and more mucus production occurs is
emphysema
asthma
pneumonia
bronchitis
Author: rikazzz Comment

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