mechanics of breathing-at rest Flashcards
what do the external intercostal muscles do when expiring when at rest
relax
what do the ribs do when expiring when at rest
they are lowered
what do the diaphram do when expiring when at rest
relaxes (moves up into a domed shape )
what does the thoracic cavity do when expiring when at rest
decreases
what happens to the pressure in the lungs when expiring when at rest
greater
what do the volume of the lungs do when expiring when at rest
decreases
what do the external intercostal muscles do when inspiring when at rest
they contract
what do the ribs do when inspiring when at rest
move upwards and outwards
what does the diaphram do when inspiring when at rest
contracts
(moves down into dish shape)
what happens to the thoracic cavity do when inspiring when at rest
its increased
what happens to the volume of the lungs when inspiring when at rest
it increses
what do the pressure in the lungs do when inspiring when at rest
decreases
