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Question
Explain the differences.
External and internal respiration
Distinguish Between
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Solution
| External respiration | Internal respiration |
| 1. It occurs between the body and the external environment. | It occurs at the cellular level. |
| 2. It is a mechanical process. | It is a chemical process. |
| 3. It can be both - voluntary and involuntary action. | It is only an involuntary action. |
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