การดู
10:29
Anatomy and physiology of the respiratory system
8:51
The Respiratory System
2:35:30
The Respiratory System Explained | 2,5 Hours of Gentle Nighttime Science Lecture
7:03
Parts of the Respiratory System - Overview
0:56
Normal Swallowing and Breathing Animation
41:17
Respiratory System Lab (NEW)
2:10
How our lungs work | 3D tour of the lungs
7:07
CSD2260 Respiratory soft tissues
