ger than in carnivores? (b) What will happen if the mucus is not secreted by the gastric glands? (c) What causes movement of food inside the alimentary canal?

• The animals which feed on plants, leaves, fruits and other natural products for their food are called herbivores. Example: cow, goat, etc. The animals which feed on other animals for their food are called carnivores. Example: Lion, Cat, etc. Herbivores feed only on plants hence they need longer small intestine to digest the cellulose present in plants. Carnivores feed on other animals and the food gets digested easily as compared to Hence small intestine in herbivores longer than in carnivores.
• If the mucus is not secreted by gastric glands then the hydrochloric acid produced in the gas will damage the inner lining of the stomach and leads to ulcers in the stomach.
• Peristaltic movement moves the food in the alimentary The contraction and relaxation of

muscles of the esophagus, intestine and stomach is called peristaltic movement. The movement is involuntary and is mandatory for the movement of food from mouth and bowels through anus.