1. Life like, clear anatomical structure, include: head,neck, chest, real size lungs and stomach

2. Transparent abdominal wall, clear observation ofinternal organs

3. Oral/nasal cavity intubation

ㅤ①Inserting to trachea, air feeding, lungs will be inflated

ㅤ②Inserting to esophagus, air feeding, stomach will beinflated

4. Nasal feeding：When the gastric tube is inserted at45-55cm, the simulated gastric juice can be drawn out

5. Gastric lavage:practice through oral/nasal cavity,stomach capacity up to 500ml