14:43

Músculos e Movimento | Pares Antagonistas de Músculos

11:03

Types of Tissue Part 3: Muscle Tissue

13:53

Types of Tissue Part 4: Nervous Tissue

14:55

The Skeletal System

12:35

The Mechanism of Muscle Contraction: Sarcomeres, Action Potential, and the Neuromuscular Junction