Page 1 CHAPTER - 2 NUTRITION IN ANIMALS MADE BY-: RAHAT Page 2 CHAPTER - 2 NUTRITION IN ANIMALS MADE BY-: RAHAT 1) Animal nutrition :- The mode of taking food by an organism and its utilisation in the body is called nutrition. Animals get their food directly or indirectly from plants. Animal nutrition :- includes nutrient requirement, mode of taking food and its utilisation in the body. Digestion :- The process by which complex food substances are broken down into simpler substances is called digestion. 2) Different ways of taking food :- Name of animal Kind of food Mode of feeding Snail Grass Chewing Ant Insects Scrapping Eagle Flesh Swallowing Humming bird Nectar Sucking Lice Blood Sucking Mosquito Blood Sucking Butterfly Nectar Sucking House fly Decaying matter Brewing Page 3 CHAPTER - 2 NUTRITION IN ANIMALS MADE BY-: RAHAT 1) Animal nutrition :- The mode of taking food by an organism and its utilisation in the body is called nutrition. Animals get their food directly or indirectly from plants. Animal nutrition :- includes nutrient requirement, mode of taking food and its utilisation in the body. Digestion :- The process by which complex food substances are broken down into simpler substances is called digestion. 2) Different ways of taking food :- Name of animal Kind of food Mode of feeding Snail Grass Chewing Ant Insects Scrapping Eagle Flesh Swallowing Humming bird Nectar Sucking Lice Blood Sucking Mosquito Blood Sucking Butterfly Nectar Sucking House fly Decaying matter Brewing Page 4 CHAPTER - 2 NUTRITION IN ANIMALS MADE BY-: RAHAT 1) Animal nutrition :- The mode of taking food by an organism and its utilisation in the body is called nutrition. Animals get their food directly or indirectly from plants. Animal nutrition :- includes nutrient requirement, mode of taking food and its utilisation in the body. Digestion :- The process by which complex food substances are broken down into simpler substances is called digestion. 2) Different ways of taking food :- Name of animal Kind of food Mode of feeding Snail Grass Chewing Ant Insects Scrapping Eagle Flesh Swallowing Humming bird Nectar Sucking Lice Blood Sucking Mosquito Blood Sucking Butterfly Nectar Sucking House fly Decaying matter Brewing 3) Digestion in humans :- The main parts of the alimentary canal are :- buccal cavity (mouth), oesophagus (food pipe), stomach, small intestine, large intestine, rectum and anus. The main glands are :- salivary glands, liver and pancreas. The alimentary canal and the glands together is called the digestive system. Page 5 CHAPTER - 2 NUTRITION IN ANIMALS MADE BY-: RAHAT 1) Animal nutrition :- The mode of taking food by an organism and its utilisation in the body is called nutrition. Animals get their food directly or indirectly from plants. Animal nutrition :- includes nutrient requirement, mode of taking food and its utilisation in the body. Digestion :- The process by which complex food substances are broken down into simpler substances is called digestion. 2) Different ways of taking food :- Name of animal Kind of food Mode of feeding Snail Grass Chewing Ant Insects Scrapping Eagle Flesh Swallowing Humming bird Nectar Sucking Lice Blood Sucking Mosquito Blood Sucking Butterfly Nectar Sucking House fly Decaying matter Brewing 3) Digestion in humans :- The main parts of the alimentary canal are :- buccal cavity (mouth), oesophagus (food pipe), stomach, small intestine, large intestine, rectum and anus. The main glands are :- salivary glands, liver and pancreas. The alimentary canal and the glands together is called the digestive system. i) The mouth and buccal cavity :- Food is taken into the body through the mouth. This process is called ingestion. In the mouth the food is broken down into smaller pieces by the teeth. The mouth has salivary glands which secrete saliva. The saliva breaks down starch into sugars. The tongue helps to mix the food with saliva and swallow the food.Read More