Which of the following options is the right order of the parts of the alimentary canal? Options: 1) Buccal cavity, stomach, oesophagus, small intestine, large intestine, rectum, anus 2) Buccal cavity, oesophagus, stomach, large intestine, small intestine, rectum, anus 3) Buccal cavity, oesophagus, stomach, small intestine, large intestine, rectum, anus 4) Oesophagus, buccal cavity, stomach, large intestine, small intestine, rectum, anus