Ch. 11 Flashcards
(27 cards)
What is the Cardiovascular System
A closed system of the heart and blood vessels
What does the heart do
pumps blood
What do blood vessels allow
blood to circulate to all parts of the body
What is the main function fo the Cardiovascular System
deliver oxygen and nutrients and to remove carbon dioxide and other waste products
Where is the heart located
between the thorax and the lungs
What covers the heart
Pericardium
What is Pericardium
a double serous membrane
Where is the Visceral pericardium
next to the heart
Where is the parietal Pericardium
its the ouside layer of the heart
What fills the space between the layers of pericardium
Serous fluid
How many layers does the heart wall have
3
What are the three layers making up the hearts wall
Epicardium
Myocardium
Endocardium
What is Epicardium
The outside layer of the heart wall
What is Myocardium
the middle layer of the heart wall
What is Endocardium
the inner layer of the heart wall
What is Epicardium made of
the parietal percardium connective tissue
What is myocardium made of
Mostly cardiac muscle
What is Endocardium made of
Endothelium
What roles do the right and left side of the heart chambers play
they act as seperate pumps
What are the four chambers named from the patients view
From the Atria: Right atrium, Left atrium
From the Ventricles: Right ventricle Left ventricle
What is the Atria
Receiving Chambers
What are the Ventricles
Discarding Chambers
What do the Heart Valves do
allow blood to flow in ONLY one direction
What are the four Heart Valves
Tricuspid
Bicuspid
Pulmonary Semlunar
Aortic Semilunar
