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20 Cards in this Set

  • Front
  • Back
3 components of the Cardiovascular System:
1. Blood vessels
2. Heart
3. Blood
The heart is located at an angle between the lungs in the space called the ________.
mediastinum
The heart rests upon the ________.
diaphram
How much of the heart is on the left side of the body?
2/3
The ________ points toward the left hip.
apex
What size is the heart?
about the size of a fist
How much does the heart weigh?
Less than a pound
The heart is considered to be ________ and ________.
cone- shaped and hollow
The heart and its major blood vessels are covered in a lose fitting, slippery sac called the ________.
pericardium
2 Layers of the pericardium:
1. Visceral pericardium
2. Parietal Pericardium
The Visceral Pericardium is also known as ________.
epicardium
The layer that attaches to the outside of the heart
Visceral Pericardium
the outer membrane that attaches to the diaphram, sternum, and the blood vessels that enter and leave the heart
Parietal Pericardium
The space between the 2 layers is called the ________ ________.
pericardial fluid
used to prevent friction
pericardial fluid
Layers of the heart wall:
1. Epicardium
2. Myocardium
3. Endocardium
the outside layer of the heart
epicardium
the muscle of the heart
myocardium
the inside layer and the lining found on the inside of the heart. The lining is continuous with the lining of the blood vessels
endocardium
Chambers:
Right and left atrium
Right and left ventricles