Final Study Guide Pt. 4 (Lab 10) Flashcards
the cardiovascular system includes the ______, _____ _______, and ______
heart
blood vessels
blood
What are the 4 major parts of the heart?
(1) 4 internal chambers
(2) 4 valves (ensure one-way flow of blood)
(3) 4 major vessels (transport blood)
(4) 4 major structures
What are the 4 internal chambers of the heart?
(1) left atrium (receives blood)
(2) right atrium (receives blood)
(3) left ventricle (pumps blood to lungs)
(4) right ventricle (pumps blood to lungs)
What is the difference between atrium and ventricle of the heart?
atriums receive blood and ventricles pumps blood to lungs
What are the 4 valves in the heart?
(1) right atrioventricular valve (aka tricuspid valve)
(2) left atrioventricular valve (aka bicuspid or mitral valve)
(3) pulmonary valve
(4) aortic valve
The right atrioventricular valve is also known as the ________ valve
tricuspid
The left atrioventricular valve is also known as the _______ or ______ valve)
bicuspid
mitral
What are the 4 major vessels of the heart?
(1) vena cavae
(2) pulmonary trunk & arteries
(3) pulmonary veins
(4) aorta
What are the 4 major structures of the heart?
(1) left and right auricles
(2) papillary muscles
(3) chordae tendineae
(4) traveculae carneae
What are the 2 major types of blood vessels?
(1) arteries
(2) veins
What is the difference between arteries and veins?
arteries carry blood away from the heart
veins carry blood to the heart
True or False: Blood flows in one direction.
True
Blood flows from the _________ to the ______
arteries
vein
between the arteries and veins are the _________
capillaries
__________ have walls that are only one cell thick
capillaries
The exchange of gasses and other nutrition occur through the __________
capillaries
What is the difference between pulmonary circuit and systemic circuit?
pulmonary circuit is the flow of blood between the heart and lungs
systemic circuit is the flow of blood between the heart and the rest of the body
The human cardiovascular system is a _______ system.
closed
The only way in or out is by way of _________ through the _________ ______.
diffusion
capillary walls
