Model - Respiratory System - Lung & LarynxThis highly detailed and realistic model of the human respiratory system, this 7 part set offers an in depth look at essential structures such as the larynx, lungs, and heart. Designed for durability and repeated classroom use, the model features a sagittally sectioned larynx and frontally divided lungs to showcase internal anatomical details. The addition of a two part heart highlights the connection between the respiratory and circulatory systems,