back bone spine
Another name for your back bone is a spine.
The longest bone in a cat is the femur, which is located in the hind leg. The femur is a strong, weight-bearing bone that connects the hip to the knee joint.
skeletal system
The sacrum is a large triangular bone at the base of the spine.
The bone that forms the back bone is the spine. The spine is composed of vertebrae. It is the chief support of organizing the nervous system.
The spine
spine
It is the spine
Bone
if the spine consists of a long bone we cudent bend our back
Eagles are birds and have a spine (back bone).