Quiz
Circulatory system structure
Question 1
A valve in the heart that guards the opening between the left atrium and the left ventricle, stopping blood from coming back into the atrium.
Question 2
A rhythmical throbbing of the arteries as blood is propelled through them.
Question 3
Blood cells that carry oxygen from the lungs to the body cells.
Question 4
It Carries blood from lower regions of the body to right atrium.
Question 5
It receives blood from the head and arms and chest and empties into the right atrium of the heart.
Question 6
Vessels carrying oxygenated blood from the lungs to the left atrium of the heart.