The product description The skeleton is made of solid PVC plastic. Skeleton size is: Height :45 cm Width :4 cm Depth :2.5 cm The model is a visual aid for physiology and hygiene teaching. Help students understand the relationship between the human body and bones. It can also be used to study bone morphology and joint structure. This is an adult male skeleton in a standing position. Hyoid bone, auricular bone does not represent. The joints of the upper and lower limbs are mobile. 1. Skull: Consists of 22 bones with serrated sutures. Cross section of the skull to reveal the internal structure of the skull. The mandible is mobile, and the three mandibles - incisors, canines and molars - are mobile. 2. Spine: consists of 7 cervical vertebrae, 12 thoracic vertebrae, 5 lumbar vertebrae, 1 sacrum, 1 tailbone and 2 intervertebral discs. The spine has four curvature, namely cervical and lumbar curvature lordosis, thoracic and sacral curvature kyphosis. 3. Sternum: Consists of 24 ribs, a costal cartilage and a sternum. Including 7 pairs of true tendons (1-7), 3 pairs of false tendons (8-10), and 2 pairs of floating tendons (11-12). 4. Pelvis: Consisting of the sacrum, coccyx, and two hip bones. 5. The bones of the upper limb are made up of 64 separable bones. 6. The bones of the lower limb are made up of 62 separable bones.