General features about skeleton, skeletal muscles, joints, with particular reference to skull bones.Angiology: heart and systemic and pulmonary circulation. Lymphatic system: lymph nodes, thymus and spleen.General features of human body system:respiratory system (nose,larynx, trachea, bronchi and lungs);digestive system (oral cavity, pharynx, esophagus, stomach, small and large intestine, liver and pancreas);urogenital system;endocrine glands.General features about the central nervous system (encephalon and spinal cord) and peripheral nervous system (cranial and spinal nerves with particular reference to the facial and vestibulocochlear nerves).Cortico-spinal pathway and general sensory system. Auditory and vestibular apparatus. External ear. Tympanic cavity; auditory ossicles.Internal ear: bony labyrinth, membranous labyrinth, vestibule, saccule, utricle,semicircular ducts; cochlea and cochlear duct, spiral organ of Corti. Auditory and vestibular pathways.