English

Label the following figure of the digestive system. A part of the human digestive system

Advertisements
Advertisements

Question

Label the following figure of the digestive system.

A part of the human digestive system

Diagram
Advertisements

Solution

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Nutrition in Animals - Exercises [Page 22]

APPEARS IN

NCERT Science [English] Class 7
Chapter 2 Nutrition in Animals
Exercises | Q 12. | Page 22

RELATED QUESTIONS

Write names of different parts of human digestive system and explain functions of any three parts.


The gall bladder temporarily stores bile.


If the teeth are not cleaned regularly, they become covered with a sticky yellowish layer W of food particles and bacteria. Since layer W covers the teeth, the alkaline liquid X secreted by glands Y inside the mouth cannot reach the teeth surface to neutralise the acid formed by the action of organisms Z on sugary food, and hence tooth decay sets in.
  1. What is W known as?
  2. What are (i) X and (ii) Y?
  3. What are organisms Z?
  4. State one way of removing layer W from the teeth.

Name the substance whose build up in the muscles during vigorous physical exercise may cause cramps.


Define the following term :

Omnivore


Define the following term:

Assimilation


Give any four reasons why water is necessary in our body.


Draw a well-labelled diagram of the ‘Liver’.

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

Saliva


Last molar tooth in human beings is called ______.


Put a tick (✓) against the most appropriate alternative in the following statement.

Saliva converts starch into:


Fill in the blank.

The _______ is a common opening of food pipe and windpipe


Rewrite the following parts of the human alimentary canal in their correct sequence Stomach, Oesophagus, Large instestine, Small intestine, Pharynx.


Write short answers

What do you mean by the emulsification of fat?


Describe the following: Emulsification


How do the salivary glands come to know that there is food in the mouth and it is time to secrete saliva?


Use your brain power!

Why do we sometimes choke suddenly while eating?


Liver produces for ______ the digestion of fat.



Label the following parts in Figure and name them.

  1. The largest gland in our body.
  2. The organ where protein digestion starts.
  3. The organ that releases digestive juice into the small intestine.
  4. The organ where bile juice gets stored.

What are villi?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×