The conditions that ensure successful exchange of gases in multicellular organisms include the following except
Answer Details
The exchange of gases in multicellular organisms is crucial for their survival. This process occurs between the respiratory surface and the surrounding environment. To ensure successful gas exchange, several conditions need to be met.
Firstly, there must be a concentration gradient across the respiratory surface. This means that there should be a difference in the concentration of gases between the organism's respiratory surface and the surrounding environment. This difference drives the movement of gases across the respiratory surface, allowing for gas exchange to occur.
Secondly, the respiratory surface must be thin. A thin respiratory surface allows for gases to diffuse quickly between the organism and its surroundings.
Thirdly, the absorbed gases need to be transported to where they are needed in the body. This is usually achieved through the circulatory system, which transports gases such as oxygen and carbon dioxide to and from the respiratory surface.
Fourthly, the respiratory organ must have a large surface area to facilitate the exchange of gases. A larger surface area means that there is more space for gas exchange to occur, which increases the efficiency of the process.
Finally, the respiratory organ must have a moist surface area. This is because gases diffuse more easily through moist surfaces than dry ones. Therefore, the presence of a small, dry surface area of the respiratory organ would not ensure successful exchange of gases in multicellular organisms.