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6th ICSE
IMPORTANT
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The breathing rate in humans under normal conditions is

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Important Questions on Human Respiratory System

EASY
6th ICSE
IMPORTANT
ICSE Biology>Chapter 5 - Human Respiratory System>TEST Yourself>Q 4
The process of gaseous exchange in lungs between air and blood is called
MEDIUM
6th ICSE
IMPORTANT
ICSE Biology>Chapter 5 - Human Respiratory System>TEST Yourself>Q 1
Draw and label a diagram of the human respiratory organs.
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6th ICSE
IMPORTANT
ICSE Biology>Chapter 5 - Human Respiratory System>TEST Yourself>Q 2
With the help of a diagram, show the respiratory process in humans.
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6th ICSE
IMPORTANT
ICSE Biology>Chapter 5 - Human Respiratory System>TEST Yourself>Q 3

Given below is a picture of the internal structure of the lungs. Label parts 1 to 4.

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

The figure shows the process of inhalation. Label parts 1 to 6.

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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 •

Why is said that we should not breathe through our mouth, but through our nose only?

MEDIUM
6th ICSE
IMPORTANT
ICSE Biology>Chapter 5 - Human Respiratory System>THINK ZONE>Q •
An athlete breathes faster and deeper. Why?