CO4 During eupnea , exhalation begins when Answers A - E A blood circulation is at its lowest B the diaphragm contracts C external intercostals contract D expiratory muscles relax E the diaphragm relaxes
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The diaphragm and external intercostal muscles work together to expand the chest cavity and draw air into the lungs during inhalation. Exhalation, on the other hand, is a passive process that occurs when the muscles relax and the chest cavity decreases in size, Show more…
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Adi S.
which of the following is the muscle action that results in exhalation and causes the air pressure inside the lungs to be higher than -relaxation of the external intercostals -contraction of external intercostals -contraction of the diaphragm -relaxation of the diaphragm
During a breathing cycle, as the diaphragm and intercostal muscles ________ the volume of the pleural cavity __________ and air moves ____________ the lungs. a. contract $\ldots$ decreases $\ldots$ into b. contract $\ldots$ increases $\ldots$ into c. relax ... increases ... out of d. relax $\ldots$ decreases $\ldots$ into
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