Question

differentiate between external and internal respiration​

Answer 1

Explanation:

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.

Basis of Comparison Internal External

Refers to External or

Interior something

or outside

something

within

Answer 2

external respiration :

1. external respiration occurs in the lungs where oxygen diffuses into blood and carbon dioxide diffuses into alveolar air.
2. external respiration involves bbreathing .

3) respiration involves gas exchange.

internal respiration :

1. internal respiration occurs in the metabolism tissues where oxygen diffuses out of the blood and carbon dioxide dioxide or out o f the cell
2. internal respiration does not
3. internal respiration does not exchange gases

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