Respiration
The mechanical process of taking the air in and out out of the lungs is called
A) Respiration
B) Inspiration
C) Expiration
D) Breathing
Emphysena often leads to
A) Asthma
B) Heart Diseases
C) Bronchitis
D) Lung cancer
The rate and depth of respiration increases when
A) O2 conc. increases
B) CO2 conc.Increases
C) Bicarbonate conc. increases
D) Bicarbonate conc. decreases
The amount of air that moves in and out of the lungs with each inspiration and expiration is called
A) Residual volume
B) Tidal volume
C) Vital capacity
D) Lung volume
Which one of the following prevents the trachea from collapsing
A) Muscels
B) Diaphragm
C) Ribs
D) Cartilagginous rings
During the process of transport of CO2 which phenomenon occurs between RBC and plasma
A) Osmosis
B) Adsorption
C) Chloride shift
D) absorption
Molecules attached to the diaphragm contract during inspiration to make it
A) Flat
B) Dome - shaped
C) Concave
D) Rotate
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