In human respiratory system, when a person breathes in, the position of ribs and diaphragm will be :

In human respiratory system, when a person breathes in, the position of ribs and diaphragm will be :
  1. lifted ribs and curve/dome shaped diaphragm.
  2. lifted ribs and flattened diaphragm.
  3. relaxed ribs and flattened diaphragm.
  4. relaxed ribs and curve/dome shaped diaphragm.

Solution

Lifted ribs and flattened diaphragm

Asked in: CBSE

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