Question

what is the external respiration ?​

Answer 1

Answer:

​ Exchange of gases between the external environment and a distributing system of the animal body (as the lungs of higher vertebrates or the tracheal tubes of insects) or between the alveoli of the lungs and the blood — compare internal respiration.

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Answer 2

respiration that take place outside the body

to remove air inside the body is called external respiration