Draw a block diagram to show events in cellular respiration
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Breathing - gaseous exchange at lungs level - gas transport by blood - gaseous exchange at tissue level - cellular respiration.
Explanation:
1. Air movement into and out of lungs.
2. exchange of gases between alveoli and blood
3. Transport of oxygen from blood capillaries of alveoli to body cells and return of carbon dioxide.
4. Exchanging of oxygen from blood into cells and carbon dioxide from cell into blood
5. Using oxygen in cell process to produce carbon dioxide and water releasing energy to be used for life process.
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