1. Respiratory model with fire It can be used as an introductory teaching material about the human respiratory system.
2. Show chest function. The ribs will move up and down. to show behavior when breathing
3. There is a number attached to each important component. and name and number affixed to the base
4. The material is made of good plastic. in a wooden cabinet with handles The front is clear glass that allows you to see the work of the ribs and lungs when breathing.
5. There is an on-off button at the base of the cabinet. Use with 220 V.AC 50 Hz power.