Blood Vessels Anatomy

Blood pumped by the heart flows through a series of vessels known as arteries arterioles capillaries venules and veins before returning to the heart. Eventually the smallest arteries vessels called arterioles further branch into tiny capillaries where nutrients and wastes are exchanged.

Nephrons And Blood Vessels Model 120 Times Full Size

Blood is conducted through blood vessels arteries and veins.

Blood vessels anatomy. Aside from capillaries blood vessels are all made of three layers. 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 tunica media or a middle layer composed of elastic and muscular tissue which regulates the internal diameter of the vessel. The blood vessels are the components of the circulatory system that transport blood throughout the human body. All cells in the body need oxygen and the vital nutrients found in blood.

They also take waste and carbon dioxide away from the tissues. The adventitia or outer layer which provides structural support and shape to 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. Blood vessels form the living system of tubes that carry blood both to and from the heart. Bulky middle tunic contains smooth muscle and elastin 3.

Arteries transport blood away from the heart and branch into smaller vessels forming arterioles. The vessels that carry blood away from the heart are called arteries and their very small branches are arterioles. Very small branches that collect the blood from the various organs and parts are called venules and they unite to form veins.

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

Arterioles distribute blood to capillary beds. Anatomy of blood vessels review sheet 32 261 microscopic structure of the blood vessels 1. Without oxygen and these nutrients the cells will die.

Use key choices to identify the blood vessel tunic described. Now that weve discussed blood were beginning our look at how it gets around your body. Its smooth surface decreases resistance to blood flow.

Blood vessel a vessel in the human or animal body in which blood circulates.

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20 1 Structure And Function Of Blood Vessels Anatomy And