Question

the surfaces of the scapulae and clavicles are extremely important as sites for ____________. answer positions of nerves and blood vessels nourishment of muscles and bones muscle attachment support and flexibility i dont know yet

Explanation:

The scapulae (shoulder - blades) and clavicles (collarbones) have surfaces that serve as attachment points for various muscles involved in shoulder and arm movement. Nerves and blood vessels are not the main function of these surfaces, nor are they primarily for nourishment of muscles and bones or support and flexibility in the sense described in the options.

Answer:

C. muscle attachment