Respiratory surface must be moist so gasses can diffuse across cell membranes
cells lining respiratory surface are thin to optimize gas fusion
respiratory surface are must be large to allow for adequate gas exchange
Answer:
Uranus is made of water, methane, and ammonia fluids above a small rocky center. Its atmosphere is made of hydrogen and helium like Jupiter and Saturn, but it also has methane. The methane makes Uranus blue.
First, Take a deep enough cavity which can keep a thin layer of tissue at the base of the potato. Second, Make sure the sugar solution which you use, should be sufficiently high osmotic concentration compared to the cell sap of potato cells.