Question

human skeletal system quick check
a main function of the skeletal system is to
(1 point)
protect internal organs.
allow your body to move.
store and produce materials.
all of the above.

Explanation:

The skeletal system protects organs (e.g., skull protects the brain), enables movement via muscle attachment to bones, and stores minerals like calcium while producing blood cells in bone marrow. All listed options are core functions.

Answer:

all of the above.