Active transport.
please give brainliest if correct, thank u
You can learn their traits such as the color of the feathers and where they came from or originated from
<span>C02 regulation, the carbonic acid-bicarbonate buffer regulation, H+ regulation, and gas exchange. These regulations are all done through the circulatory, excretory, and respiratory systems. They are all part of one big function, that is homeostasis.</span>
an accurate growth of what?
