Oxygen from the lungs enter into the blood due to
a) less affinity of O2 for air
b) diffusion
c) osmosis
d) higher affinity of CO2 for air
In which disease the wall of alveoli is broken?
a) Pneumonia
b) bronchitis
c)emphysema
d) asthma
The diaphragm is flat , the ribs move out; this occurs during:
a) Expiration
b) inspiration
c) lungs expansion
d) breathing
The chest cavity is separated from the abdominal cavity by a muscle called…….
a) Larynx
b) trachea
c) bronchus
d) diaphragm
Respiration at cellular level is known as…
a) breathing
b) ventilation
c) oxidation
d) inhalation
High fever, cold and cough with sputum production are symptoms of ………….
a) emphysema
b) asthma
c) pneumonia
d) bronchitis