The contractio of internal intercostal muscles in man causes

The contraction of internal intercostal muscles in man causes

The contraction of internal intercostal muscles in man causes

The contraction of internal intercostal muscles takes place during

Contraction of diaphragm increases the volume of the thoracic chamber in the ....(A).... axis while the contraction of external intercostal muscles increases the volume of the thoracic chamber in the ..... (B).... axis.

Contraction of diaphragm increases the volume of the thoracic chamber in the ....(A).... axis while the contraction of external intercostal muscles increases the volume of the thoracic chamber in the ..... (B).... axis.

What happens to ribs and sternum during contraction of external intercostal muscles ?

Intercostal muscles occur in

Intercostal muscles occur in

What happens to ribs and sternum during contraction of extermal intercostal muscles ?