Give two ways the lungs are adapted for efficient exchange of gases. Describe how each adaptation helps to maintain efficient gas exchange
You must give the adaptation then the description.
(4 Points)

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.

not always but somethings can be reproduced in a laboratory.