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...
relaxation starts in the walls of auricles due to this deoxygenated blood rushes from veins to right auricle and oxygenated blood through pulmonary vein in to left auricle (Fig.