The suboccipital muscles include triangular, longissimus, levator scapula, posterior and anterior scalene muscles. The right and second ribs are also very distinctive, and design chest cartilage, which is more conducive to user learning. Specifications: Name: Cervical Vertebra Model Material: PVC Color: As the pictures show Type: Cervical Vertebra Model Package includes: 1 x Cervical Vertebra Model Note: 1. Please allow 0-1cm error due to manual measurement. 2. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Thank you!? [Scope of Application] - It is very suitable for school teaching and learning display, and can be used as a visual teaching aid for teaching physical health knowledge and deepening the understanding of the structure of human organs. ? [Anatomically Accurate] - Each bone model has a wealth of anatomical details, allowing you to have a better understanding of the human body. More importantly, you can rely on this model to give you accurate information in any setting – medical, instructional or otherwise. ? [Material] - This Model is made by Environmentally Friendly Non-toxic PVC material, very durable in use. Environmentally friendly materials, hand-made, fine workmanship, excellent made. ? [Anatomical Details] - The suboccipital muscles include the triangle, the long head muscle, the levator scapula, the posterior and anterior scalene middle muscles. The right first and second ribs are also very distinctive, and the pectoral cartilage is designed. ? [Anatomical Structure] - This model of 1:1 size cervical spine includes brain stem, occipital bone, atlas, including seven cervical vertebrae and two thoracic vertebrae, and the right brachial plexus is intact.