well, depends on the gas.
skin is responsible for gas exchange in frogs, but not in snakes
The capitularies are responsible for bass exchange
The capillaries are responsible for gas and nutrient exchange with each of the body's cells.
yes.
cell membrane
Lungs
The factors that affect gas exchange in humans include the amount of gases in the atmosphere. It also includes temperature, atmospheric pressure and ion concentrations.
Stomates are responsible for most of the gas exchange that occurs in a plant.
red blood cells
The partial pressures of each of the gasses, as present in the blood and in the alveoli.
Book lungs.
The respiratory system functions in gas exchange. In doing so, it works closely with the circulatory system, and is aided by the nervous, muscular and skeletal systems.