I believe the answer is 23
Hello!
The correct answer is C. We know this because it consists of an incredibly simple polypeptide chain that has a continuous pattern. The rest of the choices represent complex chains.
I hope I helped!
Explanation:
its sugar and oxygen brainly me
The statement is true. Atelectasis is the collapse or closure of a lung resulting in reduced or absent gas exchange. It may effect part or all of a lung. An airway blockage also can cause Atelectasis. A blockage may be due to a foreign object, a mucus plug, lung cancer, or a poorly placed breathing tube from a ventilator. When a blockage occurs, the air that's already in the air sacs is absorbed into the bloodstream.
I think A because the liver filters out wastes from the blood, and so without the liver the wastes would build up and be dangerous for the body.
