true offalse.                                                                             the distal end of the humerus is located near theshoulder.                                                                                  the thoracic cavity surrounds and protects the heart and thelungs.                                                                           the 13 pairs of ribs are calledcostal.                                    the phalanges are the bones infingers.                              the sternum is also known as the collarbone.                  a callus forms as a bulging deposit around the area in a bone.thistissue eventually becomescartilage.             impetigo is a highly contagious viral skininfection.          albinism is a deficiency or absence of pigment in the skin, hair,andeyes.                                               .                malignant melanoma is a skin cancer derived squamous cells of theEpithelium.
