Lung

Essay specific features

 

Issue:

Science

 

Written by:

Scott B

 

Date added:

December 17, 2016

 

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Grade:

A

 

No of pages / words:

2 / 319

 

Was viewed:

9615 times

 

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Essay content:

Also, the lungs are protected by the pleura. When we inhale lungs expand because oxygen is getting into them, the rib cage move up. The diaphragm is the muscle beneath lungs which contract and expand as you inhale and exhale. When we exhale, lungs get smaller or go back to size, rib cage moves down and in diaphragm relaxes...
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The respiration system produces energy from taking oxygen and produces carbon dioxide which is takes place in the cells. The oxygen goes to the mitochondria inside the cell where it combines with sugar to create energy and produce carbon dioxide and water. The respiratory system connects to circulatory the system because blood goes to the lungs and to picks up oxygen and releases carbon dioxide...
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