Answer:
he has problems raising his arms. he had injuries to his shoulder during his capture during the Veitnam war. it is not a prosthetic hand
The answer to you question is very simple, Trachea, because a trachea is a large membranous tube reinforced by rings of cartilage, extending from the larynx to the bronchial tubes and conveying air to and from the lungs; the windpipe.
Therefore you answer is,
Trachea.
I hope that this has satisfied you, and if not then feel free to ask questions.
The answer is B I am not sure but I am almost
Force and leverage help to explain how the body works. Force helps the body to move in space as it acts against the air around it. Leverage helps the body stay upright.
:)
