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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

Answer the following question. Small Intestine is very long and coiled. Even if we jump and run, why it does not get twisted? What can happen if it gets twisted?

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प्रश्न

Answer the following question.

Small Intestine is very long and coiled. Even if we jump and run, why it does not get twisted? What can happen if it gets twisted?

टीपा लिहा
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उत्तर

  1. Mesentery is a tissue that is located in the abdomen. It attaches the small intestine to the wall of the abdomen and keeps it in place and therefore it does not get twisted while running and jumping.
  2. If small intestine gets twisted, the affected spot may block the food, liquid passing through it. It may sometimes cut off the blood flow if the twist is very severe. If this happens the surrounding tissue may die and can cause serious problems.
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पाठ 14: Human Nutrition - Exercise [पृष्ठ १७२]

APPEARS IN

बालभारती Biology [English] Standard 11 Maharashtra State Board
पाठ 14 Human Nutrition
Exercise | Q 2. (D) | पृष्ठ १७२

संबंधित प्रश्‍न

What is the role of the acid in our stomach?


What is the function of digestive enzymes?


Which part of the digestive canal is involved in:

Absorption of food ______.


What is the function of the liver in the human digestive system?


Where are proteins first digested in the alimentary canal?


What is roughage? Give two examples.


Draw a labelled diagram to show the internal structure of a mammalian tooth with two roots.


Study the diagram given below and then answer the question that follows:

Describe the structure of the part labelled '3'.


Complete the following table by filling in the blanks 1 to 8.

Organ

Enzyme

Food acted upon

Find product

1

Pepsin

2

3

Mouth 4 5 Disaccharide

6

7

Maltose

8


Answer the following question.
Write two different ways in which glucose is oxidized to provide energy in the human body. Write the products formed in each case.


Write four sequential steps of the procedure of the experiment "Preparing a temporary mount of a leaf peel to show stomata".


The teeth called canines are a total of four in number on the sides of ______.


Fill in the blanks in the table (1-5) by selecting the suitable names of substances from the list given below:
(steapsin, peptones, fatty acids, proteoses, protein).

Digestive Enzymes Acts on To convert into
(i) Pepsin _________(2) ________(3) and
(ii) _______(1) Fats

________(4)

_________(5)


Write true or false for the below statement. Rewrite the false statements correctly.

All the absorbed nutrients are immediately required by the body.


Write short answers

What is ingestion?


Answer in detail.
What changes occur in food in the mouth?


Describe the following: Digestion of fat in the intestine


Name the enzymes secreted by the following: Pancreas


Name the enzymes secreted by the following: Ileum


The question has four options. Choose the correct answer:

Uvula can close the opening of


The question has four options. Choose the correct answer:

Trypsin is connected with the digestion of


The question has four options. Choose the correct answer:

Common passage for swallowing food and breathing is


What’s the solution?

A person has fainted, and a crowd of people has surrounded him.


Why it is important to wear helmet while riding a bike?


Circle the odd one.


Identify the part of the digestive system which is vestigial in humans?


Secretions of ____________ lubricate the lumen of the alimentary canal.


A gland not associated with the alimentary canal is ____________.


Name the organism which lives in the digestive system of human ______.


Choose the odd one:


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