Question

The construction and relaxation of _________ helps the flow of air during inhalation and exhalation .​

Answer 1

Answer:

The construction and relaxation of lungs helps the flow of air during inhalation and exhalation .

Explanation:

• Lungs are the organs in motion during breathing .
• When oxygen is inhaled, lungs expand and when carbon dioxide is exhaled, lungs shrink.
• Oxygen= energy+carbon dioxide.

Answer 2

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The construction and relaxation of _________ helps the flow of air during inhalation and exhalation .

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The construction and relaxation of Lungs helps the flow of air during inhalation and exhalation .