Anatomy of Earthworm

1: (a) Covering of mouth, 2: (a) First segment of body, 3: (b) 14th to 16th, 4: (c) 5th to 9th, 5: (c) 14th segment, 6: (d) 18th segment, 7: (c) Both a and b, 8: (d) Grinding of food, 9: (c) Oesophagus, 10: (a) Stomach