Question

Q.20. Mark the correct path of air breathed in:
a) Nostrils --- esophagus--- lungs--- alveoli
b) Nostrils----trachea---- gut---- alveoli
c) Nostrils---- trachea--- bronchi--- alveoli
d) Nostrils -- trachea---- bronchi---- blood​

Answer 1

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Mark the correct path of air breathed in:

a) Nostrils --- esophagus--- lungs--- alveoli

b) Nostrils----trachea---- gut---- alveoli

c) Nostrils---- trachea--- bronchi--- alveoli

d) Nostrils -- trachea---- bronchi---- blood

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C.) Nostrils--Trachea--Bronchi--Alveoli..

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Answer 2

Answer:

the correct option is (d) because first air enters the nostrils then in trachea which is at lungs then bronchi which is at the down of lungs and in last it reaches blood through pulmonary artery and vein