การดู
8:51
The Respiratory System
10:29
Anatomy and physiology of the respiratory system
2:10
How our lungs work | 3D tour of the lungs
0:58
Visualization of Airflow Through the Human Respiratory System
0:56
Normal Swallowing and Breathing Animation
5:09
Human Respiratory System | Respiratory System Anatomy | Biology | Letstute
2:35:30
The Respiratory System Explained | 2,5 Hours of Gentle Nighttime Science Lecture
41:17
Respiratory System Lab (NEW)
