blood vessels
Blood vessels are the tubes through which blood travels. They include veins, capillaries, and arteries.
blood vessels
The tubes that carry blood are the blood vessels. They include capillaries, veins, and arteries.
Tubes in the kidney. I'm not sure what they are called, though.
Blood vessels are any of the tubes through which blood flows through the body.
the three main tubes that blood can pass through in the circulatory system are the arteries, veins, and capillaries.
The blood travels through veins, arteries, and capalaries.
Arteries, vessels and veins.
the heart pumps the blood to different part of the body
hey, this is a kewl chicky..and the answer is blood vessels.
veins and arteries
Blood vessels are the tubes that carry blood. The three types of blood vessels are arteries, capillaries, and veins.