Unit 11: Circulatory System Flashcards
(6 cards)
1
Q
The atria (top chambers) are thin-walled chambers where blood enters the h
A
Atrium - Single
Atria - Plural
2
Q
The ventricles (bottom chambers) are thick-walled chambers which push blood away from the heart.
A
Ventricle
3
Q
A blood vessel that carries oxygen-rich blood from the heart to tissues and organs in the body.
A
artery
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 wall of tissue that separates the left and right sides of the heart
A
septum
6
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
