Detailed product description:
1. Skull: The skull is made up of 23 skulls. The skull cover is transversely cut and can be opened, showing the structure of the inner base of the skull and the mandible can be moved.
2. Spine: It is composed of seven cervical vertebrae, twelve thoracic vertebrae, five lumbar vertebrae, one sacrum, coccyx and 23 intervertebral soft rolls, and shows four physical curvatures of the neck, thorax, lumbar and sacrum.
3. The thoracic cage: consists of 24 ribs, a sternum, costal cartilage and the thoracic spine.
4. Pelvis: It is composed of sacrum, coccyx and two hip bones.
5. Upper limb bones: It is composed of 64 bones. The shoulder blades and clavicle are fixed on the thorax, the free part of the upper limbs can be removed, and the shoulder, elbow, wrist and other joints are movable.
6. Lower limb bones: It is composed of 62 bones, the free part of the lower limbs is detachable, and the hip and knee joints are movable.
7. Attach the aorta, descending aorta and main branches to the spine bone, renal artery, abdominal aorta, lumbar artery, common iliac artery, internal iliac artery, left common carotid artery, external carotid artery and its main branches, large The subclavian artery and the brachial artery, radial artery, ulnar artery, deep palmar arch, superficial palmar arch, etc. to the left arm, and external iliac artery, femoral artery, popliteal artery, pelvic artery, pelvic artery, dorsal artery, foot Arteries such as the bottom arch.
8. The bone-attached aortic nerves are: the right cervical plexus, brachial plexus, medial tract, lateral tract and posterior tract, to the median nerve, ulnar nerve, radial nerve and palm nerve of the right arm. There are 12 pairs of thoracic nerves in the forelimbs, the intercostal nerves and the lumbosacral nerve plexus located in the corresponding intercostals, and the femoral nerve, spine nerve, common peroneal nerve and the common plantar nerve from the sciatic nerve to the lower limbs.
Transport packaging: exquisite foam box