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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