Differentiate between: external and internal respiration - Vidyadip

Question

Differentiate between:
external and internal respiration

✓

Answer

External repiration

It is the mechanical process of inhaling and exhaling air. It does not involve any enzymes.
It involves taking in oxygen and giving out carbon dioxide.
No energy is released.
It takes place outside the cell.

Internal respiration :

It is a complex biochemical process in which enzymes are involved.
It involves the oxidation of glucose into carbon dioxide, water and energy.
Energy is released and stored in the form of ATP.
It takes place inside the cell.

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