Question
Question: In rabbit the expiration occurs by the...
In rabbit the expiration occurs by the
A
Contraction of the external intercostal muscles and the relaxation of the muscles of the diaphragm
B
Contraction of the internal intercostal muscles and the relaxation of the muscles of the diaphragm
C
Contraction of the internal intercostal muscles only
D
Relaxation of the muscles of the diaphragm only
Answer
Contraction of the internal intercostal muscles and the relaxation of the muscles of the diaphragm