The exchange surfaces are moist.
Gas exchange
Working together, the respiratory and circulatory systems perform gas exchange from the blood to the lungs. This exchange occurs at the alveoli.
Insects.
All plants, animals, fish etc, need gas from the air to breathe. Whether it be carbon dioxide, oxygen from water or our atmosphere, its pretty much a given.
Countercurrent exchange systems are biological structures that allow for efficient heat and gas exchange. In animals, countercurrent exchange systems are commonly found in fish gills, bird lungs, and the legs of Arctic animals like penguins. These systems help maximize the transfer of oxygen and nutrients in and wastes out of the body.
Because of their complex organs, circularitory systems, nervous systems, and gas exchange systems.
it occurs through the heart
They are gas giants with ring systems.
Manometers are typically used to measure pressure, so they are not commonly used to directly measure metabolic gas exchange. For recording metabolic gas exchange, methods such as gas analyzers or respiratory gas exchange systems are more commonly used because they can measure specific gas concentrations in exhaled breath.
to maintain proper metabolism, mainly gas exchange
Closed systems do not exchange matter with their surroundings.
its not the same. reo done a turtel head...LOL!!