Define the following.
a) Digestion
b) Ingestion
c) Rearing
d) Shearing
e) Sericulture
Answers
Answer:
a)The processes of digestion include six activities: ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and defecation. The first of these processes, ingestion, refers to the entry of food into the alimentary canal through the mouth
b)Ingestion is the consumption of a substance by an organism. In animals, it normally is accomplished by taking in a substance through the mouth into the gastrointestinal tract; such as through eating or drinking. In single-celled organisms ingestion takes place by absorbing a substance through the cell membrane.
c)The rearing of animals is defined as animals raised or bred for their use, or for pleasure or for profit, often for food. These activities have associated common problems of odor and elimination of animal waste.
d)In physics, shearing in continuum mechanics refers to the occurrence of a shear strain, which is a deformation of a material substance in which parallel internal surfaces slide past one another. It is induced by a shear stress in the material.
e)Sericulture is the process of cultivating silkworms and extracting silk from them. The caterpillars of the domestic silkmoth (also called 'Bombyx mori') are the most commonly used silkworm species in sericulture.
Answer:
1. digestion- the digestion in human beings take place through the digestive system .the human digestive system consists of a group of organ working together to convert food into energy and basic nutrients to feed the entire body.
2. ingestion- the process of Talking food into the body is called in ingestion.
3. rearing- rearing of silkworm for the production of RAW silk. the thread is called raw silk. it is used for weaving clothes and can be dyed into various colours.
4. sharing- it is the process in which the fleas among with the thin layer of skin is removed from the body of the animal.
5. sericulture - the whole process of obtaining Silk fibre from Silk moth is known as sericulture.
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