Heart Anatomy Flashcards
1
Q
The wall of the heart if composed of what 3 layers?
A
epicardium
myocardium
endocardium
2
Q
The myocardium is the _____ of the heart.
A
muscle
3
Q
Cardiac muscle requires _______ for contraction.
A
calcium
4
Q
The right atrium receives blood returning from the __________.
A
systematic circulation
5
Q
The left atrium receives blood returning from the _____________.
A
oxygenated blood from lungs
6
Q
The left ventricle pumps blood into the _______.
A
systematic circulation
7
Q
The right ventricle pumps blood into the ______.
A
lungs
8
Q
Systole is _______of the ventricles.
A
contraction
9
Q
Diastole is _______ of the ventricles.
A
relaxation
