Final answer:
The crural region of the body refers to the B) legs. It is inferior to the gluteal region and superior to the popliteal region. Hence, B) is correct.
Step-by-step explanation:
The crural region of the body refers to the legs. It is inferior to the gluteal region and superior to the popliteal region. The term 'leg' or 'crus' is used to describe this region of the lower limb between the knee and the ankle.