Circulatory System Flashcards
1
Q
(top chambers) are thin-walled chambers where blood enters the heart.
A
Atrium
2
Q
(bottom chambers) are thick-walled chambers which push blood away from the heart.
A
Ventricle
3
Q
The smallest type of blood vessel that connects small arteries to small veins.
A
Capillary
4
Q
A blood vessel that carries oxygen-poor blood to the heart from tissues and organs in the body.
A
Vein
5
Q
A blood vessel that carries oxygen-rich blood from the heart to tissues and organs in the body.
A
Artery
6
Q
A wall of tissue that separates the left and right sides of the heart.
A
Septum
7
Q
Flaps that are located within the heart that open and close to control the flow of blood. They ensure blood flows in the correct direction, preventing it from flowing backward.
A
Valve
