does inhalation take place when the diaphragm contracts or relaxes??
Inhalation takes place when diaphragm contracts.
When the diaphragm tightens and moves __, inhalation occurs.
Select the option that best fills the missing gaps about inhalation and exhalation InhalationExhalationDiaphragm---(A)------(B)---Intrapulmonary volume---(C)---DecreasesIntrapulmonary pressureDecreases---(D)---