Heart Flashcards
1
Q
Average amount of cardiac contractions per minute:
A
72
2
Q
The 3 layers of the heart
A
Endocardium, myocardium, epicardium
3
Q
Endocardium description
A
thin smooth epithelial cells provides smooth surface for easy internal blood flow
4
Q
Myocardium description
A
Thickest layer that pumps blood through vessels
5
Q
Epicardium description
A
serous membrane, Visceral layer of pericardium
6
Q
What is the pericardium
A
Sac that encloses the heart
7
Q
Name of outer layer of pericardium and function
A
Fibrous pericardium, anchors pericardium to thoracic diaphragm, sternum and other surrounding structures
8
Q
3 layers of the pericardium
A
Visceral pericardium, parietal pericardium, fibrous
