Capillaries are tiny blood vessels which allow only very few blood cells to get through at a time. When blood cells enter the capillaries, the oxygen and nutrients which are stored in hemoglobin in the blood diffuse into the body.The exhausted blood cells then enter back into larger vessels to join the bloodstream once again. The cycle goes something like this: Many people confuse veins with arteries.hen blood cells enter the capillaries, the oxygen and nutrients which are stored in hemoglobin in the blood diffuse into the body. The exhausted blood cells then enter back into larger vessels to join the bloodstream once again. The cycle goes something like this: Many people confuse veins with arteries.
Croton-on-Hudson is a village in Westchester County, New York, United States. The population was 8,070 at the 2010 census. It is located in the town of Cortlandt, in New York City 's northern suburbs.
It is the home of the Brookhaven National Laboratory and a National Weather Service weather forecast office. Upton is located on eastern Long Island in Suffolk County, New York , in the United States. The town is so named because it was the site of the U.S. Army 's Camp Upton , which was active from 1917 until 1920, and again from 1940 until 1946.