Breathing & Respertion

Breathing & Respertion

1. Resperation

   • Resperation refers to the series of chemical changes that takes place in cells to release energy.

2. Resperation System

   • Your respiratory system takes in air and extracts oxygen from it.

3. In the Cells

   • Respiration begins once the oxygen and glucose are together in the cells.
     • Breathing
       • The air in the alveoli is constantly replaced when you breathe. Breathing is involuntary.
   • Energy and oxygen
     • The amount of energy you consume in your food needs to balance the amount of energy you use.

4. Where the air goes

   • When you breathe in, some air may com through your mouth but most of it comes in through your nose.
     • Meriam
   • Gas exchange
     • The walls of the alveoli are only 1 cell thick and are surrounded by tiny blood vessels called capillaries.

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