Blood Vessels Anatomy

Today hank explains your blood vessels and their basic three layer structure of your blood vessels. These vessels transport blood cells nutrients and oxygen to the tissues of the body.

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All cells in the body need oxygen and the vital nutrients found in blood.

Blood vessels anatomy. Bulky middle tunic contains smooth muscle and elastin 3. Anatomy of blood vessels review sheet 32 261 microscopic structure of the blood vessels 1. Blood vessels form the living system of tubes that carry blood both to and from the heart.

Eventually the smallest arteries vessels called arterioles further branch into tiny capillaries where nutrients and wastes are exchanged. Tutorials and quizzes on the circulation of blood and the anatomy structure and physiology of blood vessels using interactive animations and diagrams. Blood is prevented from clotting in the blood vessels by their smoothness and the finely tuned balance of clotting factors.

The vessels that carry blood away from the heart are called arteries and their very small branches are arterioles. Now that weve discussed blood were beginning our look at how it gets around your body. Blood is conducted through blood vessels arteries and veins.

Its smooth surface decreases resistance to blood flow. Use key choices to identify the blood vessel tunic described. They also take waste and carbon dioxide away from the tissues.

Arteries transport blood away from the heart and branch into smaller vessels forming arterioles. Without oxygen and these nutrients the cells will die. The blood vessels are the components of the circulatory system that transport blood throughout the human body.

Blood vessel a vessel in the human or animal body in which blood circulates. Aside from capillaries blood vessels are all made of three layers. Very small branches that collect the blood from the various organs and parts are called venules and they unite to form veins.

Blood pumped by the heart flows through a series of vessels known as arteries arterioles capillaries venules and veins before returning to the heart. The major systemic veins review the major systemic veins of the body including the veins of the neck arm forearm abdomen pelvis thigh and leg in this interactive tutorial. The adventitia or outer layer which provides structural support and shape to the vessel.

The tunica media or a middle layer composed of elastic and muscular tissue which regulates the internal diameter of the vessel. An artery is a blood vessel that carries blood away from the heart where it branches into ever smaller vessels. Blood is carried through the body via blood vessels.

Arterioles distribute blood to capillary beds.

Arms Blood Vessels Anatomy Engraving 1857 High Res Vector