Question

which of the following sequence correctly illustrates the passage of oxygen in the respiratory system ?

a) nose/ lungs/wind pipe/blood
b) nose/blood/ wind pipe/ lungs
c)nose/blood/lungs/wind pipe
d) nose/wind pipe/lungs/blood
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Answer 1

Answer:

d) is correct answer.

may it will help you thanks

Answer 2

Answer:

d) is correct bcoz oxygen passes to lungs by wind pipe from nose then only it reaches blood