Question

in human beings gas exchange between the environment and the body takes place in the the___________?​

Answer 1

Answer:

Gas exchange or respiration takes place at a respiratory surface; a boundary between the external environment and the interior of the body. ... In humans and other mammals, respiratory gas exchange or ventilation is carried out by mechanisms of the lungs. The actual exchange of gases occurs in the alveoli.

Answer 2

Answer:

respiratory surface........