Heart
The names of the four chambers of the heart
What is Right atrium, right ventricle, left atrium, left ventricle?
Which vessels carry blood Away from the heart?
What are Arteries?
What is the heart's natural pacemaker?
What is SA Node?
Blood leaving the right ventricle goes where?
What are the lungs?
The sac that the heart is surrounded by
What is the Pericardium?
Which vessels return blood to the heart?
What are veins?
What structure receives the signal after the SA node?
What is AV Node?
Which vessel carries oxygenated blood from the lungs to the heart?
What are Pulmonary veins?
The "lubb" sound represents the closing of what
What are the atrioventricular valves
Where does the exchange of gases and nutrients occur?
What are capillaries?
What is the job of the AV node?
What is delays the electrical signal, allowing the ventricles time to fill with blood?
What items cross the walls of capillaries?
What are gases, nutrients, fluid, electrolytes, and wastes?
Which chamber pumps blood to the lungs?
What is the right ventricle?
What is the innermost layer of a blood vessel wall
Capillaries that have big gaps and a discontinuous basement membrane that promotes transport of large molecules
What are Sinusoid capillaries?
Network of interconnected capillary vessels that lies between an arteriole and a venule
What is a capillary bed?
Which chamber has the thickest myocardium, and why?
What is the The left ventricle, because it must pump blood through the entire systemic circulation.
What is the tunica intima composed of?
What is an endothelium ( simple squamous epithelium)
Capillaries that have tight junctions between endothelial cells that permit minimal fluid leakage
What are Continuous capillaries?
A disease characterized by changes in the vessel wall primarily due to the buildup of fatty deposits of plaque
What is Atherosclerosis?