1
Q
atrium
A
singular
2
Q
atria
A
plural
3
Q
A blood vessel that carries oxygen-rich blood from the heart to tissues and organs in the body.
A
artery -
4
Q
vein -
A
A blood vessel that carries oxygen-poor blood to the heart from tissues and organs in the body.
5
Q
capillary -
A
The smallest type of blood vessel that connects small arteries to small veins.
6
Q
septum -
A
A wall of tissue that separates the left and right sides of the heart
7
Q
valve -
A
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.
