Question
What are the functions of ribs and diaphragm during breathing? Describe their functioning.

Answer

Diaphragm and ribs help in breathing activity:
  • During inhalation: Ribs move up and outwards and diaphragm moves down. This movement increases space in our chest cavity and air rushes into the lungs. The lungs get filled with air.
  • During exhalation: Ribs move down and inwards, while diaphragm moves up to its former position. This reduces the size of the chest cavity and air is pushed out of the lungs.

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