Which are the Muscles That Control Inhalation

Question

Which are the muscles that control inhalation
A)diaphragm and internal intercostal muscles
B)internal and external intercostal muscles
C)diaphragm and abdominal muscles
D)diaphragm and external intercostal muscles

Accepted Answer

The diaphragm and external intercostal muscles work together to increase the volume of the thoracic cavity, which creates a negative pressure that pulls air into the lungs. The other choices either include muscles that are involved in exhalation or are not directly involved in breathing.