Skull Maxilla Nasal concha Zygomatic bone Mandible Atlas vertebrae (C1) Axis vertebrae (C2) Lumbar vertebrae Scapula Umerus Musculature Trapezius muscle Masseter muscle Gluteus medius muscle Longissimus muscle Multifidus muscle Iliocostalis muscle Nervous system Brain Digestive system Parotid gland Centripetal coil od colon Head blood vessels Circulatory system Lymphatic system – head Respiratory system Urogenital system – female Urogenital system – male