Cardiovascular system

The cardiovascular system consists of the heart and blood vessels. The blood vessels include arteries and veins. The heart pumps blood from the lungs out to the rest of the body. The blood vessels deliver oxygen and nutrients to the tissues and carry waste products to the organs responsible for elimination. The arteries carry blood from the heart to the rest of the body, and the veins carry blood back to the heart.

Current as of: August 31, 2020

Author: Healthwise Staff
Medical Review:
Rakesh K. Pai MD, FACC - Cardiology, Electrophysiology
Adam Husney MD - Family Medicine
Martin J. Gabica MD - Family Medicine
Robert A. Kloner MD, PhD - Cardiology

Is it an emergency?

If you or someone in your care has chest pains, difficulty breathing, or severe bleeding, it could be a life-threatening emergency. Call 9-1-1 or the local emergency number immediately.
If you are concerned about a possible poisoning or exposure to a toxic substance, call Poison Control now at 1-800-567-8911.

Thanks to our partners and endorsers: