1. Explain the different steps involved in the process of nutrition.
2. Describe the human digestive system with the help of diagram.
3. Explain how digestion takes place in ruminant.
4. How many types of teeth are found in man? What are their functions? How would you take care of
your teeth?
Answers
Explanation:
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1)=The five steps which occur in the process of nutrition in animals are Ingestion, digestion, absorption, assimilation, and egestion. Ingestion is the process the food is taken inside through mouth and broken down by teeth and initial digestion takes place in the mouth by saliva......
2)=The human digestive system is a series of organs that converts food into essential nutrients that are absorbed into the body. The digestive organs also move waste material out of the body. The enzymes in saliva help break down foods, and the lubrication function of saliva makes it easier for food to be swallowed...see up this is the diagram.....
3)=Plant material is initially taken into the Rumen, where it is processed mechanically and exposed to bacteria than can break down cellulose (foregut fermentation). ... The mass is finally passed to the true stomach, the Abomassum, where the digestive enzyme lysozyme breaks down the bacteria so as to release nutrients....
4)=Your teeth help you chew food, which makes it easier to digest. There are four main types of teeth, and each one has a different shape and function. The four main types of teeth are: Incisors - Your incisors are eight teeth in the front center of your mouth (four on both bottom and top).......
