Respuesta :

TheUnknownScientist

Answer:

  • When the lungs inhale, the diaphragmcontracts and pulls downward.
  • At the same time, the muscles between the ribs contract and pull upward.
  • This increases the size of the thoracic cavity and decreases the pressure inside.

the diaphragm plays an important role in breathing, it helps you inhale and exhale air

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