Nutrition in Animals Class 7 Notes

Nutrition in Animals Class 7 Science Notes – Chapter 2

Animal nutrition can be defined as the nutrient requirement, the mode of food intake and how it is utilized in the body. The important digestive glands that secrete digestive juice viz liver, pancreas and salivary glands. The digestive system in human consists of secretory glands and alimentary canal. The alimentary canal consists of a buccal cavity, oesophagus, stomach, small intestine, large intestine, and anus. The intake of food is carried out by the mouth. This process is called ingestion. We chew the food to make it into small pieces. The food mixes with saliva and we swallow it. The swallowed food is pushed downward to pass through food pipe and chest. Please refer Nutrition in Animals Class 7 Notes for more revision notes.