Veins and Arteries Say: vayns and ar-tuh-reez If you've ever seen a road map, you probably saw many roads going here, there, and everywhere. Your body has a highway system all its own that sends blood to and from your body parts. It's called the circulatory system, and the roads are arteries and veins. Arteries, which usually look red, carry blood away from the heart. Veins, which usually look blue, return blood to the heart. Back to Articles Related Articles Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor. © 1995-2021 KidsHealth®. All rights reserved. Images provided by The Nemours Foundation, iStock, Getty Images, Veer, Shutterstock, and Clipart.com.