Systemic Circulation

Pulmonary Circulation

CV Functions

Heart

Blood

Arteries

Veins

Capillaries

Septum

Atria

Ventricles

Tricuspid Valve

Mitral Valve

Aortic Semilunar Valve

Pulmonary Semilunar Valve

Aorta

Vena Cava

Path of Deoxygenated Blood

Path of Oxygenated Blood

Diastole

Systole

Sinoatrial Node

Atrioventricular Node

Purkinje Fibers

Pacemaker

QRS Complex

P Wave

T Wave

Electrical Impulses

Cardiac Output

Stroke Volume

Peripheral Resistance

BP increase

Resistance Increase

Lumen

Caused by the vibration and abrupt closure of the AV valves as the ventricles contract; this first sound is of longer duration and lower pitch than the second

Caused by the closing of both the semilunar valves when the ventricles undergo diastole(relax)

arterial blood pressure is about

Where is the SA node located?

hemoglobin

Cardiac Plexus