The gallbladder concentrates and stores bile as a pear-shaped sac which it can release to help digestion after a fatty meal.
The internal oblique is a muscle of the abdomen. It is an intermediate muscle present under the external oblique and above the transverse abdominal muscle. The internal oblique functions as an antagonist to the diaphragm and helps in respiration. The internal oblique muscles are also termed as “same side rotators” and help achieve torsional movement of the trunk.