Question

question 21
identify the bone indicated at x
clavicle
ulna
humerus
illum
scapula

Explanation:

The bone marked 'X' is a flat, triangular bone located on the posterior side of the shoulder girdle, which matches the anatomical description of the scapula. The other options are incorrect: the clavicle is the collarbone, the ulna is a forearm bone, the humerus is the upper arm bone, and the ilium is part of the pelvic bone.

Answer:

Scapula