Dear Student,
Digestive System of the Earthworm
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Food | Decaying leaves, organic matter mixed with soil | Mouth | Terminal | 1st - 3rd segments | Muscular Pharynx and Buccal cavity | 5th - 7th segments | Oesophagus | 8th - 9th segments | Muscular gizzard grinds the food | 9th - 14th segments | Stomach (calciferous glands in the stomach neutralise humic acid of humus) | 15th segment to the last segment | Intestine | 26th segment | A pair of short conical intestinal caecae | 26th - 35th segments | Typhlosole (median fold of the dorsal wall); increase the surface area for effective absorption | Last segment | Anus | |
Regards