they are called accessory organs because they are not apart of the digestive tract but have a significant role in the digestive process
accesory of mascular system
The brain, heart and lungs are not accessory organs.
Heart: circulates bloodLungs: gas exchangeStomach: storage and begin digestionSpleen: storage of RBC, production of lymphocyteskidney: filtration of nitrogenous waste from blood
The gallbladder, which secretes bile to help digest food in the stomach, is an accessory digestive organ