9:13

Nitric Oxide, NOS and vasodilation

28:04

Endocrinology | Receptor Pathways

11:14

Dual role of cAMP - Cardiac contraction and Smooth muscle relaxation

12:35

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

7:01

The NO-cGMP pathway