Question

Which of the following muscles are used when breathing?

O A) Interosseous and the diaphragm
B) Intercostal and the diaphragm
C) Intercostal and pectoral
D) Interosseous and pectoral

Answer 1

B) Intercostal and the diaphragm

The diaphragm and intercostal muscles are two of the most important breathing muscles.

I hope this helps you
:)

Answer 2

B) Intercostal and the diaphragm