Advertisements
Advertisements
Question
Define the following term:
assimilation
Solution
Assimilation — The process of using the digested food by the body is called assimilation.
APPEARS IN
RELATED QUESTIONS
What substance is mixed with food in the mouth during chewing by the teeth?
When a person puts food in his mouth, then teeth cut it into small pieces, chew and grind it. The glands A in the mouth secrete a substance B which is mixed with the food by tongue. The substance B contains an enzyme C which starts the digestion of food in the mouth. The slightly digested food from the mouth goes down a tube D. The special type of movements E in the walls of tube D push the food into stomach for further digestion. The stomach wall secretes gastric juice containing three substance F, G and H. One of the functions of F is to kill bacteria which may enter the stomach with food. The substance G protects the inside layer of stomach from the damaging effect of substance F whereas substance H is and enzyme for digestion. The partially digested food then enters into small intestine for further digestion.
(a) What is (i) gland A (ii) substance B, and (iii) enzyme C?
(b) Name the tube D.
(c) What is the movement E known as?
(d) What are (i) F (ii) G, and (iii) H?
With which human organ system (or human systems) is villi associated?
Mention two ways in which the ileum of the mammal is adapted for the absorption of digested food.
Identify and name the four type of teeth shown below and give their functions
Observe the diagram given alongside and answer the following:
- Name the parts numbered 1-8.
- Which parts shown in the diagram are non-living?
- Is the tooth suited for cutting, tearing or grinding?
- What is the function of parts 8 and 7?
- What is the total number of teeth present in adult human beings?
- Write the dental formula of human beings.
Name the enzymes secreted by the following: Pancreas
Digestion of starch begins in the ______.
The contraction and expansion movement of the walls of the food pipe is called ____________.
The enzymes present in the saliva convert
