MEDIUM
6th ICSE
IMPORTANT
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Draw and label a diagram of the human respiratory organs.

Important Questions on Human Respiratory System

HARD
6th ICSE
IMPORTANT
ICSE Biology>Chapter 5 - Human Respiratory System>TEST Yourself>Q 4

The figure shows the process of inhalation. Write the changes that occur in these parts during exhalation.

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MEDIUM
6th ICSE
IMPORTANT
ICSE Biology>Chapter 5 - Human Respiratory System>THINK ZONE>Q •
An athlete breathes faster and deeper. Why?
EASY
6th ICSE
IMPORTANT
ICSE Biology>Chapter 5 - Human Respiratory System>Worksheet 1>Q 2
Give one word for the structure that forms the floor of thoracic cavity.
EASY
6th ICSE
IMPORTANT
ICSE Biology>Chapter 5 - Human Respiratory System>Worksheet 1>Q 2
Give one word for the branched parts of trachea which enter the respective lungs.
EASY
6th ICSE
IMPORTANT
ICSE Biology>Chapter 5 - Human Respiratory System>Worksheet 1>Q 3

Correct the statement by replacing wrong word.

Taking air rich in oxygen into the lungs is called exhalation.

EASY
6th ICSE
IMPORTANT
ICSE Biology>Chapter 5 - Human Respiratory System>Worksheet 1>Q 3

Correct the statement by replacing the wrong word.

Sternum separates thoracic cavity from the abdominal cavity.

EASY
6th ICSE
IMPORTANT
ICSE Biology>Chapter 5 - Human Respiratory System>Worksheet 2>Q 1
Pneumonia is a bacterial disease of 
EASY
6th ICSE
IMPORTANT
ICSE Biology>Chapter 5 - Human Respiratory System>Worksheet 2>Q 1
The respiratory pigment in human beings is