Circulatory System Flashcards
Singular
Atrium
Plural
atria
A blood vessel that carries oxygen-rich blood from the heart to tissues and organs in the body.
artery
A blood vessel that carries oxygen-poor to the heart from tissues and organs in the body.
vein
The smallest type of blood vessel that connects small arteries to small veins.
capillary
The atria (top chambers) are thin-walled chambers where blood enters the heart.
atrium
The ventricles (bottom chambers) are thick-walled chambers which push blood away from the heart.
ventricle
A wall of tissue that separates the left and right sides of the heart
septum
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
valve
