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Mechanism Of Breathing Free Doubts and Solutions

CBSE - XI Science - Biology - Breathing and Exchange of Gases

Name the muscles which increase the volume of the thoracic chamber.  

Asked by Topperlearning User 14th June 2016, 10:44 AM
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CBSE - XI Science - Biology - Breathing and Exchange of Gases

How does the diaphragm help in inspiration?  

Asked by Topperlearning User 14th June 2016, 10:42 AM
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CBSE - XI Science - Biology - Breathing and Exchange of Gases

Distinguish between IRV and ERV.  

Asked by Topperlearning User 14th June 2016, 10:41 AM
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CBSE - XI Science - Biology - Breathing and Exchange of Gases

Explain diagrammatically the mechanism of breathing and the positions of ribs, diaphragms and the thoracic cavity during inspiration and expiration.  

Asked by Topperlearning User 14th June 2016, 10:41 AM
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CBSE - XI Science - Biology - Breathing and Exchange of Gases

Describe the process of expiration.

Asked by Topperlearning User 18th July 2014, 2:17 PM
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CBSE - XI Science - Biology - Breathing and Exchange of Gases

Name the kind of volume the following components constitute: TV + IRV RV + ERV + TV + IRV TV + ERV ERV + RV

Asked by Topperlearning User 18th July 2014, 2:17 PM
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CBSE - XI Science - Biology - Breathing and Exchange of Gases

Name the following: Volume of air which remains in the lungs after normal expiration Total volume of air a person can inspire after normal expiration

Asked by Topperlearning User 18th July 2014, 2:17 PM
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CBSE - XI Science - Biology - Breathing and Exchange of Gases

What is residual volume? What is its significance?

Asked by Topperlearning User 18th July 2014, 2:17 PM
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CBSE - XI Science - Biology - Breathing and Exchange of Gases

Distinguish between vital capacity and total lung capacity.

Asked by Topperlearning User 18th July 2014, 2:17 PM
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CBSE - XI Science - Biology - Breathing and Exchange of Gases

State the two stages involved in breathing. Name the components which help in adjusting the volume of the thoracic chamber.

Asked by Topperlearning User 18th July 2014, 2:17 PM
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CBSE - XI Science - Biology - Breathing and Exchange of Gases

What does RV stand for? What is the average RV for a healthy person?

Asked by Topperlearning User 18th July 2014, 2:17 PM
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CBSE - XI Science - Biology - Breathing and Exchange of Gases

A is using maximum capacity to inhale as well as to exhale. What is the term which can be used for the volume of air exhaled by A.

Asked by Topperlearning User 18th July 2014, 2:17 PM
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CBSE - XI Science - Biology - Breathing and Exchange of Gases

What is total lung capacity?

Asked by Topperlearning User 18th July 2014, 2:17 PM
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CBSE - XI Science - Biology - Breathing and Exchange of Gases

Write the term for the additional volume of air which a person can forcibly inspire?

Asked by Topperlearning User 18th July 2014, 2:17 PM
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CBSE - XI Science - Biology - Breathing and Exchange of Gases

What is tidal volume?

Asked by Topperlearning User 18th July 2014, 2:17 PM
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CBSE - XI Science - Biology - Breathing and Exchange of Gases

Name the instrument used to measure pulmonary volume.

Asked by Topperlearning User 18th July 2014, 2:17 PM
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CBSE - XI Science - Biology - Breathing and Exchange of Gases

What is the average breathing rate in a healthy human?

Asked by Topperlearning User 18th July 2014, 2:17 PM
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CBSE - XI Science - Biology - Breathing and Exchange of Gases

Name the muscles present between the ribs which generate the pressure gradients in lungs.

Asked by Topperlearning User 18th July 2014, 2:17 PM
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CBSE - XI Science - Biology - Breathing and Exchange of Gases

Name the stage of breathing which occurs when the intra-pulmonary pressure is lesser than the atmospheric pressure.

Asked by Topperlearning User 18th July 2014, 2:17 PM
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