You didn't really provide us with any options? It must be noted that generally, the structure of the skeletal system also dictates its function. With that I mean that having bones and a skeletal system enables us to move more efficiently and to have the pose which we have.
Answer:
I go with c because we have to keep trying no matter what, we cant go in a dark blank space with nothing. Imagine this, your depressed and your grades are down, you look at your friends all the way on top and your on the bottom. How can you fix this? Try.
Explanation:
Blood carrying carbon dioxide is sent from the heart to the lungs from the pulmonary artery
