The gallbladderconcentrates and stores bile as a pear-shaped sac which it can release to help digestion after a fatty meal.
Bioelectrical impedance analysis (BIA) is a method for estimation of bodyweight in terms of fat and non-fat components. The non-fat components include muscle, bone, organs, and water. The BIA instrument works on the principle of electrical impedance, i.e. opposition to the flow of electric current.