Question

the thorax contains which of the following?
humerus
femur
hips
ribs

Explanation:

The thorax (chest cavity) is part of the axial skeleton and is surrounded by the rib cage. The humerus is the upper arm bone, the femur is the thigh bone, and hips are part of the pelvic girdle (appendicular skeleton). Ribs are a key component of the thorax.

Answer:

D. Ribs