Capillaries are the smallest blood vessels in the body. They allow water, oxygen, carbon dioxide, and other nutrient and waste substances to exchange between blood and surrounding tissues.Read on to learn more about capillaries, and what they do in your body.cience Videos. Science Main Index. Capillaries are the smallest blood vessels in the body. They allow water, oxygen, carbon dioxide, and other nutrient and waste substances to exchange between blood and surrounding tissues. Read on to learn more about capillaries, and what they do in your body.
Cross (in Berkeley County, SC) Populated Place Profile. Cross (GNIS FID: 1221844) is a populated place located in Berkeley County at latitude 33.327 and longitude -80.148. The elevation of Cross is 79 feet. Cross appears on the Cross U.S. Geological Survey Map. Berkeley County is in the Eastern Time Zone (UTC -5 hours).
Megan Whewell from the National Space Centre answers this question for us. The Southern Cross is one of the most recognisable patterns of stars in the southern night sky, and forms part of the constellation Crux. The Southern Cross itself is actually classed as an asterism, not a constellation, as the word âconstellationâ applies to 88 specific areas of the whole night sky.