Cardiovascular System Flashcards
Closed system of heart and blood vessels
Cardiovascular system
Functions of the cardiovascular system
Transport oxygen, nutrients, cell wastes, hormones to and from cells
Main function of Cardiovascular system
Transportation
Allows blood to circulate to all parts of the body
Blood vessels
Transport vehicle of the cardiovascular system
Blood
Only fluid connective tissue in the body
Blood
Where can the heart be found?
Medial of lungs, specifically in the lower mediastinum; blood vessels starts at the 2nd rib until upper level of diaphragm
Position of the heart
Only in the anterior position of the body, posterior has the spine
Orientation of the heart
Tilted to the left side with apex/left ventricle facing the left
- Double-walled sac
- Keeps heart in place
- Made up of 3 layers
Pericardium
- Fibrous pericardium is loose and superficial
- Anchors heart to surrounding structure
Outer fibrous later
- Deep to the fibrous pericardium
- Slippery, two-layered
Inner serous membrane pair
Two layers of inner serous membrane pair
- Parietal pericardium
- Visceral pericardium
- Lines the interior of fibrous pericardium
- External
Parietal pericardium
- Internal, innermost layer of the pericardium; outermost layer of the heart wall
- Part of the heart wall
- Also known as epicardium
Visceral pericardium
