breathing and exchange of gases
Quiz by Krithika Subramanian
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10 questions
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- Q11. spiracles in cockroaches are analogous to ------in humanslungsnostrilstracheapharynx30s
- Q22. glottis open on the floor of ....none of the abovetracheadiaphragmpharyngeal cavity30s
- Q33.the number of alveoli in human lungs is estimated to be around150 million800 millioni billion300 million30s
- Q44. earthworms breathe through theirpores on its anteriorheadlungsskin30s
- Q55. when under certain conditions , the p50 value of haemoglobin rises, the affinity of the pigment of combining with oxygen willfirst fall and then riseremain samefallrise30s
- Q66.The given diagram represent the human respiratory system with few structures labelled from 1 to 11 . the exchange of gases takes place in which labelled structure?1130s
- Q77. the chloride shift in the red blood cells is the movement ofcations into the cell to balance the uptake of cl- ionschloride ions out of the cell to balance the release of hydrogen carbonate ions.none of the abovecl- ions into the cell o balane its uptake of hydrogen carbonate ions30s
- Q88. which of the following statement correctly defines bohr's effect?rise in p50 with increase in oxygenfall in p50 with decrease in pHrise in p50 with decrease in pHrise in p50 with a decrease in co2 cone30s
- Q99. smoking destroys the cilia in the respiratory ways.this:decrease the surface area for respirationmakes it harder to move air in and out of the lungsslows blood flow through lung blood vesselsmakes it harder to keep lungs clean30s
- Q1010. total lung capacity is approximately5800ml1200ml4000ml2400ml30s
