In humans,where does the exchange of gases take place?
- ATrachea
- BBronchi
- CAlveoli
- DAll of the above
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Lungs have a large number of alveoli for....
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View SolutionArrange the appropriate pair.
Column-$I$ Column-$II$ (Amount of $CO_2$ in $mm \ Hg$) $(a)$ Alveoli $(1)$ $40$ $(b)$ Tissue $(2)$ $45$ $(c)$ Blood without $O_2$ (Deoxygenated) $(3)$ $40$ $(d)$ Blood with $O_2$ (Oxygenated) $(4)$ $45$
| Column-$I$ | Column-$II$ (Amount of $CO_2$ in $mm \ Hg$) |
| $(a)$ Alveoli | $(1)$ $40$ |
| $(b)$ Tissue | $(2)$ $45$ |
| $(c)$ Blood without $O_2$ (Deoxygenated) | $(3)$ $40$ |
| $(d)$ Blood with $O_2$ (Oxygenated) | $(4)$ $45$ |
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View SolutionExplain: $(1)$ Exchange of gases by alveolus surface. $(2)$ Exchange of gases in tissues.
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View SolutionThe partial pressure of oxygen in the alveoli of the lungs is
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View SolutionWhat is the exchange of bicarbonate and chloride ions between $RBC$s and plasma called?
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