Chapter 5

NCERT
Class 10
Science
Solutions
4. How is the maximum area in the human lung envisaged for exchange of gases ?

Question:

How is the maximum area in the human lung envisaged for exchange of gases?

Answer:

There are innumerable alveoli in the human lung, if we calculate their combined area, then it will be equal to about 80 square meters, so it is the design of these alveoli that the area of our lungs becomes maximum.

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