Answer:
The cell membrane
Explanation:
The cell membrane, sometimes also known as the plasma membrane, serves as a clear boundary between the inside of a cell and its outer environment.
It would be A. Originally it was Democritus, but Thomson was highly credited so it would be Thomson.
Answer:
The broadest classification level of organism is the domain, which include archaea, bacteria and eukarya. Domain is regarded as super kingdom. It is the most advance classification of organism.
Traspiration is the proper process I hope I helped
I believe it is the lungs.