Oesophagus anatomy (or esophagus)
21:42
Swallowing anatomy (pharynx)
25:08
Introduction to the gastrointestinal tract (anatomy)
28:28
龍騰選修II 1-3 原子軌域上p19-22
25:09
Introduction to respiratory system anatomy
15:28
Hiatus hernia anatomy
3:48
How the Digestive System Works | 3D Animation
22:38
Portosystemic anastomoses
26:43