respiration presentation
TRANSCRIPT
Text HereThe Big Picture
The Respiratory System
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Your cells need oxygen
• To stay alive your cells need fuel and oxygen
• You get fuel from the food that you eat
• You get oxygen from the air that you breathe
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Why do we breathe?• The respiratory system moves oxygen INTO your body and moves carbon dioxide OUT of your body
O2
O2
O2
CO2 CO2
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Structures of the Respiratory System
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Breathing
Diaphragm
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What is Asthma?
Normal Airway Asthmatic Airway
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Summary• Oxygen is necessary for life• Oxygen in the air is taken into the body through
your lungs when you breathe in• Oxygen goes from the lungs into the blood and is
carried to the cells throughout the body• Cells use oxygen to make energy from food• Waste (carbon dioxide) from the cells is carried
back to the lungs by the blood• Carbon dioxide leaves the body when you breathe
out