Biology
What is respiration? How are respiration and burning similar and how are they different?
Answer
Oxidation of organic food particularly carbohydrates in living cells to release energy is called respiration.
Similarities between burning and respiration are —
- Oxygen is required by both.
- Energy is released by both.
- The outcome of both is water and carbon dioxide.
Differences between burning and respiration:
| Respiration | Burning |
|---|---|
| Cellular process | Non-cellular process |
| Occurs at body temperature | Occurs at high temperature (at ignition point) |
| Occurs in a series of chemical steps | Occurs in a single step |
| Carried out by enzymes | Carried out by heat |
| Biochemical process | Physico-chemical process |
| Energy released as ATP and heat | Energy released as heat and light |
| Light energy is not produced | Light energy is produced |
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