The cardiovascular system is a collection of tissues, organs and cells that help move blood around the body. Blood delivers oxygen and nutrients to tissues and removes metabolic waste. Answer and Explanation:1 The only vein that carries oxygen-rich blood is the pulmonary vein. Veins bring blood...
The femoral vein is a blood vessel that returns blood in the leg to the heart via the iliac veins. If the femoral vein becomes...
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Humans have a highly specialized closed circulatory system that consists of blood, blood vessels (arteries, arterioles, capillaries, venules, and veins) containing blood, and heart that pumps the blood and drives it rapidly into the blood vessels.Answer and Explanation: The erythrocytes are the blo...
body, it brings oxygen and nutrients to the body tissues and picks up the waste products, delivering them to the kidneys and lungs to be expelled. The heart is the pump of this closed-circuit system. Three types of blood vessels comprise the circulatory system: arteries, veins and ...
Arteries and veins (also called blood vessels) are tubes of muscle that your blood flows through. Arteries carry blood away from the heart to the rest of the body. Veins push blood back to your heart. You have a complex system of connecting veins and arteries throughout your body. ...
Bloodletting was a historically practicedmedical procedurewhich involved removing a set amount of blood from the veins of a patient for therapeutic purposes. It is still retained, in an abstract sense, in the form ofphlebotomy, the drawing of blood for the purposes of analysis. In addition to ...
Venous thrombosisis when the blood clot blocks a vein. Veins carry blood from the body back into your heart.Deep vein thrombosis(DVT) is the most common type. It usually forms in the deep veins of your lower leg. But it can also form in the veins of your thigh, pelvis, or arm. ...
What are varicose veins?Varicose veins are veins that become large, twisted, and swollen. They are common on the back of the calves, knees, and thighs. Varicose veins are caused by valves in your veins that do not work properly. This causes blood to collect and increase pressure in the ...
Veins are blood vessels that carry blood towards the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary and umbilical veins, both of which carry oxygenated blood to the heart. Vessel A hollow container, especially one used to hold liquid...