Respiratory System Model Half Live-SizeApproximately 1 2 life size longitudinal section of head, throat and lungs, 14" tall x 6. 5" wide Illustrates respiratory organs and structures including mouth, nose, trachea, lungs, bronchus, and diaphragm Excellent for individual study, quizzing and explain the relationship between breath and swallowing in digestion and choking Solid, durable model mounted on plastic base, Foot Print: 15 X 9. 75" This basic model of the respiratory system shows a