Which of the following gives the correct order for food as it passes through the organs of the digestive system?
a. mouth, oesophagus, stomach, gall bladder, pancreas, large intestines, small intestines
b. Oesophagus, epiglottis, stomach, liver, small intestines, large intestines, anus
c. Mouth oesophagus , stomach, liver, small intestines, large intestines, anus
d. mouth, liver, gall bladder, stomach, large intestines, small intestines, anus.