Blood System Flashcards
1
Q
Systole
A
The phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries
2
Q
Diastole
A
The phase of the heartbeat when the heart muscle relaxes and lets the chambers fill with blood
3
Q
Blood pressure
A
Pressure of the blood against the walls of the blood vessles, especially the arteries
4
Q
Three main types of blood vessels
A
Arteries
Veins
Capillaries
5
Q
Arteries
A
Generally take blood away from the heart
6
Q
Veins
A
Take blood to the heart
Veins rarely pulsate
Lower pressure than arteries
Thinner walls than arteries
7
Q
Capillaries
A
Distribute blood within the organs
