The Respiratory System Anatomy Model Activity Set is an anatomy activity set from 3B Scientific and manufactured in Germany. This anatomy set facilitates learning about breathing and the anatomical complexities of the human respiratory system. The respiratory system activity set features a cutaway section of the upper human torso and head, an enlarged image of a bronchial tree and a greatly magnified alveoli. This activity set is best used for student education. The Respiratory System Anatomy Model Activity Set is 24.0 x 17.7 in and weighs 1.1 lbs.