Human skull and skeleton replicas by Active Science Parts are an excellent alternative to natural bone for teaching elemental or advanced anatomy. We manufacture a large selection of human skulls and skeletons from fetal to advanced age, sex, and ancestry. Several medical quality skulls designed for teaching advanced anatomy include calvarium cut skulls, color-coded skulls, and our premier Human Medical Study Skull, which comprises 22 separate cranial bones. https://activescienceparts.com..../product-category/al