26:38
Liver Functions
30:10
Understanding ECGs | From Placement to Interpretation
18:29
Buổi 21_Phần lý thuyết_Khóa 3in1(Lớp 10)
19:57
Cardiac Cycle
17:28
Heart Muscle (myocardium) Action Potential | Cardiology
12:09
Overview of the Central Nervous System (CNS)
17:46
Heart Conduction System & ECG (EKG)
22:44