Veins are blood vessels that carry blood toward the heart. Most veins carry
deoxygenated blood from the tissues back to the heart; exceptions are the
Veins return blood to the heart from all the organs of the body. The large veins
parallel the large arteries and often share the same name, but the pathways of
Apr 17, 2008 ... a likely response is that they're blue because the blood in veins is ... The bright
red color of arterial blood stems from a complex that's formed ...
May 3, 2016 ... Learn the causes of spider veins and varicose veins and how to prevent them.
Explore which treatments get rid of spider and varicose veins ...
The cardiovascular system consists of the heart, blood vessels, and the
approximately 5 liters of blood that the blood vessels transport. Responsible for ...
Feb 13, 2014 ... They usually cause few signs and symptoms. Sometimes varicose veins cause
mild to moderate pain, blood clots, skin ulcers (sores), or other ...
Veins are blood vessels which take blood back to the heart. Blood flows up the
leg veins, into larger veins and towards the heart. There are three types of veins ...
Nov 9, 2015 ... Venous insufficiency is a condition where the flow of blood through the veins is
blocked, causing blood to pool in the legs. It's often caused by ...
Sep 20, 2016 ... Superficial thrombophlebitis is an inflammatory condition of the veins. It's caused
by a blood clot below the surface of the skin. Learn more.
What is a varicose vein, anyway? It's a vein that has become stretched and
swollen with blood. To understand how that happens, let's learn a bit about what