The imaginary “line” created when the body is divided into equal right and left halves is called the

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles