circulatory system Flashcards
(7 cards)
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 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 blood 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
a wall tissue that separates the left and the right side of the heart
septum
flaps located within the heart that open and close to control the flow of blood they ensure blood flows direction preventing it from going backwards
valve