How we breath

The respiratory system brings necessary ... our body and removes unwanted ...

• carbon dioxide CO₂ / oxygen O₂

• oxygen O₂ / carbon dioxide CO₂

• air / air

• food / water

The respiratory system repeats three processes (marcar 3):

• Breath

• Inhalation

• Exchange of gases

• Exhalation

What best represents Inhalation?

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What best represents Exchange of gases?

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What best represents Exhalation?

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What are they?

• Trachea

• Lungs

• Nose

• Diaphragm

What's this?

• Trachea

• Lungs

• Nose

• Diaphragm

What's this?

• Trachea

• Lungs

• Nose

• Diaphragm