Hey guys!! Today we’ll be discussing:

1. Separate Circulation for the Lungs (Pulmonary Circulation)

2. Description of Pulmonary Circulation

3. Heart Structure: Chambers and Valves

4. Initiation of the Heartbeat by the Sinoatrial Node

5. Role of the Sinoatrial Node as a Pacemaker

6. Propagation of Electrical Signal from the Sinoatrial Node

7. Pressure Changes During the Cardiac Cycle