Biology Circulatory system finals

Question 1

system consists of a network of vessels that circulates blood throughout the body, motored by the action of the heart.

Answer 1

cardiovascular system

Question 2

is the largest vein of the body. It carries de-oxygenated blood back from the lower part of the body to the right atrium of the heart. This blood is carrying carbon dioxide.

Answer 2

Inferior vena cava

Question 3

is above the heart and carries de-oxygenated blood from the head and arms to the right atrium of the heart.

Answer 3

superior vena cava

Question 4

is the largest artery of the body

Answer 4

Aorta

Question 5

are the smallest of the blood vessels, and the walls are so thin that molecules can pass through them. They branch out from the arterioles, passing next to the organs, intestines, and through all the cellular tissue.

Answer 5

capillaries