The respiratory system
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The Respiratory System. Why do astronauts wear space suits and carry oxygen when they go out in space? Why do deep sea divers take oxygen with them on a dive?. The Respiratory System Functions. The respiratory system moves oxygen from the outside environment into the body.

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The Respiratory System

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The respiratory system

The Respiratory System

  • Why do astronauts wear space suits and carry oxygen when they go out in space?

    Why do deep sea divers take oxygen with them on a dive?


The respiratory system functions

The Respiratory System Functions

  • The respiratory system moves oxygen from the outside environment into the body.

  • It also removes carbon dioxide and water from the body.


Respiration what is it

Respiration: What is it?

  • Respiration is the process by which oxygen and glucose (sugar) go through a chemical reaction inside cells. The chemical reaction releases energy that the cell uses.


Breathing it is not the same as respiration

Breathing – it is not the same as respiration

  • Breathing is moving air in and out of your lungs.

  • http://www.broncus.com/patients.asp


The respiratory system 3185401

Air

  • Air is made up of a mixture of gases.

  • 21% oxygen

  • 78% nitrogen

  • 1 % carbon dioxide, helium and other gases.

  • What is most of the air you breathe?


The path of air

The Path of Air

As air travels from outside, it travels through the nose , pharynx, larynx, trachea and bronchi and bronchioles to the lungs

www.phschool.com

(pharynx)


The alveoli

The alveoli

The alveoli are tiny air sacs in the lungs


Gas exchange in the lungs

Gas Exchange in the Lungs

animation of gas exchange


Inside the lungs

Inside the Lungs


The diaphragm

The diaphragm

http://www.phschool.com/webcodes10/index.cfm?fuseaction=home.gotoWebCode&wcprefix=cbp&wcsuffix=0373


The respiratory system 3185401

AnatomyofBreathing

http://www.phschool.com/atschool/phsciexp/active_art/respiratory_system/index.html


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