Human Respiratory System

IMPORTANT

Human Respiratory System: Overview

This topic covers concepts, such as, Human Respiratory System, Nasal Cavity, Sneezing & Effects of Smoking on lungs etc.

Important Questions on Human Respiratory System

EASY
IMPORTANT

Look at the picture of respiratory organs and answer the question.

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Which of the organ shown in the picture contains salivary glands?

MEDIUM
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Define the oral cavity and its functions.

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What is expiration?

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What is inhalation and what is exhalation?

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We can live for a day without food. But we cannot live even for a few minutes without air. Why?

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Name the structure which moves dust particles away from lungs.

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Write a short note on the mechanism of breathing. Differentiate between inspiration and expiration. 

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The lungs contain millions of minute bronchi.

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Explain the composition of inhaled and exhaled air with the help of a bar graph.

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Our bodies fulfill the additional energy requirement during vigorous exercises. How?

HARD
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Discuss human respiratory system with a well lebelled diagram.

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While dusting the room why do we sneeze?

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The larynx has fold of tissue which vibrate with the passage of air to produce.

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Which of the following is not a part of the human respiratory system ?

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Choose the appropriate word from the brackets. (circulation, trachea, diaphragm)

 Air that enters through the nose passes into _____ tube.

EASY
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Choose the appropriate word and fill in the blank:

Respiration takes place because of up and down movement of _____. (circulation, trachea, diaphragm)

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Name the following:
The voice box of the human body is also known as:

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How do the lungs help us?

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Name the organ of the body which is protected by the rib cage.

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The process of giving out air is known as exhalation.