Human Digestive System


 
 
Concept Explanation
 

The Human Digestive System

Food contains different kinds of substances. These substances are not in the same form as needed by our body. They need to be converted into soluble particles, is called digestion. The human digestive system consists of various organs mouth, esophagus, stomach, small intestine, large intestine, rectum and anus.

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Sample Questions
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Question : 1

Digestion of food in human starts from __________________

Right Option : C
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Question : 2

Which of the following are correct ?

(a) The entire system of human beings, which performs this process of digestion is known as excretory system.

(b) In human beings mouth is the starting point of digestive system where food is chewed and digested.

(c) The stomach of human beings is a sac like structure which receives food from esophagus.

Right Option : B
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Question : 3

Which of the following are correct ?

(a) The food contains different substances that need to be converted into soluble particles, this process is called digestion.

(b) The human digestive system consists of various organs mouth, esophagus, stomach, small intestine, large intestine, rectum and anus.

(c) The digestion of food is consist of different steps like ingestion, digestion, absorption and assimilation.

Right Option : D
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