22:24
๐๐. ๐๐ฅ๐๐ฎ๐ซ๐ (ุงูุบุดุงุก ุงูุจูููุฑู ุงูู ุญูุท ุจุงูุฑุฆู)
12:39
Trachea, Bronchial Tree and Alveolar Tree (Parts, Structures and Walls) - Anatomy
23:27
Cardiovascular System 3, Heart, electrical system
22:49
Larynx anatomy
49:46
๐๐. ๐๐๐ซ๐ฒ๐ง๐ฑ (๐๐๐ซ๐ญ๐ข๐ฅ๐๐ ๐๐ฌ, ๐ฅ๐ข๐ ๐๐ฆ๐๐ง๐ญ๐ฌ, ๐ฆ๐ฎ๐ฌ๐๐ฅ๐๐ฌ, ๐๐ง๐ ๐๐ฉ๐ฉ๐ฅ๐ข๐๐ ๐๐ง๐๐ญ๐จ๐ฆ๐ฒ)
5:01
Trachea 1
45:11
Embryology | Development of the Respiratory System
28:20