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Blood vessels on penis

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Blood vessels are the channels or conduits through which blood is distributed to body tissues. The vessels make up two closed systems of tubes that begin and end at the heart. One system , the pulmonary vessels, transports blood from the right ventricle to the lungs and back to the left atrium. The other system, the systemic vessels, carries blood from the left ventricle to the tissues in all parts of the body and then returns the blood to the right atrium.
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Blood vessels and nerves of the human penis

The blood vessels are the components of the circulatory system that transport blood throughout the human body. They also take waste and carbon dioxide away from the tissues. Blood vessels are needed to sustain life, because all of the body's tissues rely on their functionality. There are five types of blood vessels: the arteries , which carry the blood away from the heart ; the arterioles ; the capillaries , where the exchange of water and chemicals between the blood and the tissues occurs; the venules ; and the veins , which carry blood from the capillaries back towards the heart. The word vascular , meaning relating to the blood vessels, is derived from the Latin vas , meaning vessel. Some structures — such as cartilage , the epithelium , and the lens and cornea of the eye — do not contain blood vessels and are labeled avascular.
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In addition to forming the connection between the arteries and veins , capillaries have a vital role in the exchange of gases, nutrients, and metabolic waste products between the blood and the tissue cells. Substances pass through the capillary wall by diffusion , filtration, and osmosis. Oxygen and carbon dioxide move across the capillary wall by diffusion. Fluid movement across a capillary wall is determined by a combination of hydrostatic and osmotic pressure.
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Heavy drinkers and alcoholics can also do permanent damage to their penile arteries and become impotent from overindulging in alcohol over a long period of time. If you are able to achieve an erection during this state, the alcohol in your system actually keeps the blood vessels open, allowing the blood to drain out quickly, returning the penis to a relaxed state. To get help for erectile dysfunction and premature ejaculation, call Boston Medical Group today at 1.
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