Model Functional Lung Apparatus, unique and easy-to-use model features parts that replicate the actions of respiration, Easy to Assemble, includes an acrylic bell jar, Y tube, two balloons, rubber diaphragm with a knob for ease of movement, and an instruction manual
Model Human Child Skull with Dentition Exposed, right side of maxilla & jaw bone has been cut away, Two of the teeth are only visible after part of mandibular cortical bone has been removed, 2-part skull (separate cranium & jaw), Size: 16.4x12x15cm