Which of the following processes is not involved in inhalation?
Contraction of the interior intercostal muscles
Expansion of the thoracic cavity
Contraction of the diaphragm
Expansion of the lung tissue
Which of the following cases best represents exhalation?
Diaphragm relaxes and internal intercostal muscles contract
Diaphragm and internal intercostal muscles relax
Diaphragm and external intercostal muscles contract
Diaphragm contracts and external intercostal muscles relax
Only external intercostal muscles contract