Intro Flashcards
1
Q
What does the cardiovascular system do?
A
Supplies blood throughout the body
2
Q
What is the cardiovascular system made up of?
A
Heart, arteries, veins, capillaries
3
Q
Which side of the heart is bigger and why?
A
The left heart; needs to supply the body with oxygenated blood
4
Q
What is the main pacemaker of the heart?
A
The SA node
5
Q
What is the backup pacemaker of the heart?
A
The AV node
6
Q
How many beats per minute (BPM) does the AV node fire?
A
40-60
7
Q
How many BPM do the purkinje fibers fire?
A
20-40
