Three different layers comprise the human scalp: the occipitofrontalis muscle that stretches from the eyebrows to the back of the head, an overlying layer of blood vessels and tissue, and an outer layer of skin. Indeed, in most ways the integument of the scalp is similar to that found in other locations of the body. The scalp does, however, contain a particularly large number of blood vessels, which means that injuries to the scalp can often lead to serious blood loss. Yet, even victims of scalping, were capable of surviving the ordeal.