Oxygen from the atmosphere reaches the mammalian blood stream through one of the path indicated below. Indicate the correct path, a = mouth, b = trachea, c = bronchiole, d = nostril, e = bronchus, f = alveoli
a
a → b → e → f → d
b
b → d → f → e → c
c
d → b → e → c → f
d
b → a → f → e → c
e
f → e → c → d → c
Explanation
Correct Option
cNo explanation available
Video Explanation
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