The humerus is informally referred to as the upper-arm bone.
Humerus
The urogenital triangle.
upper arm bone
the femur
The humerus
Another name for your back bone is a spine.
The upper arm bone is the humerus, nicknamed the "funny bone" because of its similarity to the word "humorous".
Upper Vertebrae
The scientific name for the upper leg bone is the femur, I don't think it gets anymore scientific then that. -jaz
The upper leg is sometimes called the thigh. The bone of the upper leg is the femur.
Spine is another word for back bone