Question

2difference between External respiration and Internal respiration.​

Answer 1

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In external respiration there is uptake of oxygen from the surrounding environment (air or water medium) and elimination of carbon dioxide into that medium. The exchange of gases takes place by diffusion across the general body or respiratory surfaces. It is a purely physical process and in this process no energy is produced.

In internal respiration there are both oxidative and non-oxidative enzymatic reactions by which energy is. made available to maintain the various vital activities. It is a physio-chemical process and in this process energy is produced.

Answer 2

Answer:

External respiration is the exchange of gases with the external environment, and occurs in the alveoli of the lungs. Internal respiration is the exchange of gases with the internal environment, and occurs in the tissues. The actual exchange of gases occurs due to simple diffusion.

Explanation:

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