Ulna pinky side lower arm bone Vertebra spine bones Axial Skeleton skull, the vertebral column and the bony thorax Appendicular Skeleton composed of appendages and the pectoral and pelvic girdles which attach the limbs to the axial skeleton Pectoral Girdle shoulder girdle; consists of clavicle and sc...
Veins carry deoxygenated blood to heart (except pulmonary vein which carry oxygenated blood). Veins are also composed of outer tunica externa, middle tunica media and inner tunica interna. The walls of veins are thin, less muscular and non- elastic. Veins have valves in their ...