The Heart Flashcards
(111 cards)
The heart is located in the ________ cavity.
thoracic
The heart is on average the size of a _______.
fist
The ______ side of the heart receives blood from the lungs and pumps it out to the body.
left
The _____ side of the heart receives “used” blood.
right
The ______ side of the heart works the hardest.
left
Why does the left side of the heart work the hardest?
Because it has to pump the blood volume throughout the body.
What ventricle is the largest?
left
The upper chambers of the heart are called the ________.
atria
The lower chambers of the heart are called the ______.
ventricles
Beside upper and lower, the heart is further divided into _____ and _____ sides.
left, right
The _______ divides the left and right sides of the heart.
septum
Valves prevent ________ of the blood.
backflow
Located between the atria and ventricles is the ______ ______ (AKA as _______)
right atrioventricular (tricuspid)
The left artrioventricular valve is also known as:
mitral or biscupid valve
The bicuspid valve prevents blood from flowing backward into the ______.
atria
Located in the right ventricle, the ________ valve prevents backflow of blood on the ________ side of the heart.
Pulmonary, right
The left ventricle forces blood through the ______ valve.
aortic
List the 4 chambers of the heart:
(1) upper
(2) lower
(3) right
(4) left
The tricuspid and bicuspid valves are separated by the ______.
septum
The _____ is the largest vessel in the human body.
Aorta
______ carry deoxygenated blood and are ______ in color.
Veins, blue
_______ carry oxygenated blood and are _____ in color.
arteries, red
The heart muscle has its own supply of blood that comes from the ________ ________that make up the _______ layer.
coronary arteries, myocardium
When there is no good flow of blood to the heart, a _______ _______ can occur.
myocardial infarction