If all these major organ systems need to work together to achieve oxygen delivery, in what ways could the process of oxygen transportation from air to cell be positively influenced by the choices we make and the actions we take?

well, the answer is probably somewhere in this article i found 0w0

https://www.ncbi.nlm.nih.gov/books/NBK54112/

-Arctic the kitsune~

it hurts at first because " the cherry is broken" which is a thin layer of skin that breaks so the first time girls have sex it hurts and it bleeds but after the first time it does hurt again because the skin that ia torn does not break again/ grow back.

absolute strength refers to the maximum force exerted by a body irrespective of body size. relative strength on the other hand is the force exerted by a body in relation to muscle size or body weight.

so the answer is: c. absolute strength measures strength regardless of your body size, while relative strength measures strength adjusted for your weight.