English

Define the following term: Peristalsis

Advertisements
Advertisements

Question

Define the following term:

Peristalsis

Definition
Advertisements

Solution

Peristalsis is the rhythmic contraction and relaxation of the muscles of the alimentary canal that pushes the food along the gut.

shaalaa.com
  Is there an error in this question or solution?
Chapter 12: Digestive System - Long answer type [Page 115]

APPEARS IN

Selina Concise Biology [English] Class 9 ICSE
Chapter 12 Digestive System
Long answer type | Q 5.1 | Page 115

Video TutorialsVIEW ALL [2]

RELATED QUESTIONS

What is the location and function of the villi?


Which part of the digestive canal is involved in:

Chewing of food ______.


What substances are contained in gastric juice? What are their functions?


Why is there no enzyme to digest vitamins?


Study the Following Dental Formula and Then Answer the Question that Follow: 

`"i"  3/4   "c"   0/0   "pm"   0/1   "m"   1/1`

Give the dental formula of an adult human being.


Write the function of the following in the human alimentary canal:

Bile juice


Define the following term:

Digestion


Fill in the blank.

Steapsin is also called _________


Differentiate between

Digestion and Absorption


Answer in detail.

Name the four types of teeth and their functions


Give a reason.

Food becomes acidic in the stomach.


Which systems work together to provide the body with energy?


Write any two functions of digestive system.


Match the two columns and select correct option.

  Column - I   Column - II
i. Sphincter of Oddi a. Oesophagus and stomach
ii.

Ileo-caecal 

sphincter

b. Stomach and small intestine
iii. Pyloric sphincter c Ileum and caecum
iv.

Gastro-oesophageal

sphincter 

d. Opening of hepato- pancreatic duct

In the given histology of the alimentary canal, identify i, ii, and iii.


In which part of the alimentary canal food is finally digested?


Salivary glands secrete ______.


In which part of the alimentary canal food is finally digested?


Given below are two columns, Column I shows enzymes secreted by the glands in the alimentary canal of human beings and Column II indicates the components of food on which enzymes act. Choose the options showing correct matching:


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×