Question

what is respiration​

Answer 1

Answer:

respiration is the process in which human being take in oxygen and give out carbon dioxide.

Explanation:

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Answer 2

Answer:

Respiration is the metabolic process in which an organisms obtain energy from organic molecules, processes that take place in the cells and tissues during which energy is released and carbon dioxide is produced and absorbed by the blood and transported to the lungs.

OR

In simple language

Respiration is the process of inhalation and exhalation, the process of taking in oxygen from the air by inhalation and releasesing carbon dioxide by exhalation.