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What Are the Functions of the Following in Breathing? - Biology

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प्रश्न

What are the functions of the following in breathing?

Abdominal muscles

एका वाक्यात उत्तर

उत्तर

Abdominal muscles: Abdominal muscles help to increase the size of the thoracic cavity by the movement of diaphragm and therefore, aids in inspiration.

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पाठ 14: The Respiratory System - Long answer type [पृष्ठ १४९]

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सेलिना Concise Biology [English] Class 9 ICSE
पाठ 14 The Respiratory System
Long answer type | Q 5.3 | पृष्ठ १४९

संबंधित प्रश्‍न

During heavy exercise, the breathing rate of a person slows down.


Draw a neat and labelled diagram.

Respiratory system


The volume of air in the lungs and the rate at which it is exchanged during inspiration and expiration was measured.

The following diagram shows a group of the lung volumes and capacities.

Study the diagram carefully and explain briefly the following :

 Expiratory reserve volume (ERV)


Describe in brief the function of ribs and diaphragm in breathing.


Name the following:

Respiratory process in which oxygen is not utilized.


Arrange the following organs in the correct order to show the path of air.

trachea, nose, bronchioles, bronchi, larynx, alveoli, pharynx, lungs


Differentiate between

Breathing and Respiration.


How is aerobic respiration different from anaerobic respiration?


What is the function of lecithin film in the lungs?

Give the differences between the alveoli of an infant and an adult.

Name the following:

Miniature lungs.


Name the following:

A film covering the alveoli of the lungs and lowers the surface tension.


Name the following:

Painful breathing.


Note the relationship between the first two words and suggest a suitable word for the fourth place.

Olfactory Chamber __ small, Thoracic Cage __ ______.


Which one of the following has the smallest diameter?


In respiration, air passes through:


Choose the odd one:


Pick the odd one out from each of the groups given below on the basis of respiratory organs. Give a reason for your answer.

crocodile, whale, dolphin, fish


Measure the breathing rate of the members of your family and some of your friends. Investigate:

  1. If the breathing rate of children is different from that of adults.
  2. If the breathing rate of males is different from that of females If there is a difference in any of these cases, try to find the reason.

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