English

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

Advertisements
Advertisements

Question

What are the functions of the following in breathing?

Abdominal muscles

One Line Answer

Solution

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

shaalaa.com
  Is there an error in this question or solution?
Chapter 14: The Respiratory System - Long answer type [Page 149]

APPEARS IN

Selina Concise Biology [English] Class 9 ICSE
Chapter 14 The Respiratory System
Long answer type | Q 5.3 | Page 149

RELATED QUESTIONS

With the help of a suitable diagram, describe the conducting system of the human heart.


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


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 :

 Vital capacity (VC)


Name the by-product formed during the oxidation of food.


Why is the respiratory system necessary?


Fill in the blanks.

The respiration is of two types _________ and _________


Write true or false for the following statement. Rewrite the false statement correctly.

The exchange of gases through the skin is called cutaneous respiration.


Write true or false for the following statement. Rewrite the false statement correctly.

The walls of alveoli are richly supplied with veins.


Differentiate between

bronchi and alveoli.


Name the following:

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


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

Lungs __ Respiration, Alveoli __ ______.


Discuss the function of the diaphragm in breathing.


Very short answer question.

Why does trachea have ‘C’ shaped rings of cartilage?


Adam's apple is also called ______


____________ prevents the entry of food into respiratory tract.


Which of the following are the parts of upper respiratory system?

  1. Larynx
  2. Bronchi
  3. Trachea
  4. Nasopharynx
  5. Nasal cavities

Carefully study the diagram of the human respiratory system with labels A, B, C and D. Select the option which gives correct identification and main function and /or characteristic.


Which one of the following is a part of the human lower respiratory system?


Which of the following prevents collapsing of trachea?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×