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
Segmented Lung, This high quality Segment Lung Model shows the lungs with representation of the bronchial tree close to the heart, trachea, oesophagus and aorta
Model Human Child Skull, 13-year-old, With exception of wisdom teeth, all permanent teeth are fully erupted & no deciduous dentition remains, apices of canines, premolars & second molars are approximately one-half to two-thirds closed, Size: 7x5x7in