Sponsored Topics. North Bethesda is a census-designated place and an unincorporated area in Montgomery County, Maryland, United States. It borders the city of Rockville, and is closely associated with the city. As an unincorporated area, North Bethesda's boundaries are not officially defined.
A blood vessel's main function is to transport blood around the body. Blood vessels also play a role in controlling your blood pressure. Blood vessels are found throughout the body. There are five main types of blood vessels: arteries, arterioles, capillaries, venules and veins.Arteries carry blood away from the heart to other organs.lood vessels also play a role in controlling your blood pressure. Blood vessels are found throughout the body. There are five main types of blood vessels: arteries, arterioles, capillaries, venules and veins. Arteries carry blood away from the heart to other organs.
What do the heart and blood vessels do? The heart's main function is to pump blood around the body. Blood carries nutrients and waste products and is vital to life. One of the essential nutrients found in blood is oxygen.