ANATOMY

Detailed explanation-1: -The tibia and fibula are the two bones that form your lower leg. The tibia is longer and forms part of your knee at its top (proximal) end and your ankle at its lower (distal) end. The fibula is closer to the outside of your body (lateral) than the tibia.

Detailed explanation-2: -Expert-Verified Answer (c) Femur is not an arm bone in the human skeleton. The human skeleton has 206 bones that are responsible for the structural integration of the body. The arm bones are the humerus, ulna and radius. The femur, also known as the thigh bone, is the bone found in the leg.

Detailed explanation-3: -The tibia is a large long bone of the lower end, joining the knee and ankle joints. The fibula is the long, thin, and side bone of the lower leg. It runs parallel to the tibia, or shin bone, and possesses a huge role in stabilizing the ankle and supporting the muscles of the lower leg.

Detailed explanation-4: -Your arm is made up of three bones: the upper arm bone (humerus) and two forearm bones (the ulna and the radius).