1. The Cardiovascular System
Chapter 15

2. Heart is two pumps in one:
Right side – pulmonary circulation
Left side – systemic circulation
Heart→ Arteries → Arterioles → Capillaries → Venules→ Veins → Heart
Artery – any vessels that carries blood away from the heart.
Vein – any vessels that carries blood toward the heart

6. Parietal pericardium:
outer fibrous layer
inner serous layer
Pericardial cavity
Visceral pericardium (epicardium)
Pericarditis
Cardiac Tamponade

7. Heart Wall 3 Layers: Epicardium – serous membrane
Myocardium – muscle layer
Endocardium – continuous throughout circulatory system

9. Cardiac Muscle :
involuntary, striated
Intercalated discs:
gap junctions
functional syncytium
desmosomes – “spot welds”

21. Conduction system of the heart
Sinoatrial (SA) node – “pacemaker’ →
Atrioventricular (AV) node →
Atrioventricular (AV) Bundle - Bundle of His→
Purkinje fibers – conduction myofibers