Booker T. Washington was one of the foremost African-American leaders who served as an advisor to several U.S. Presidents. This biography of Booker T. Washington provides detailed information about his childhood, life, achievements, works & timeline. Quick Facts.
A capillary is an extremely small blood vessel located within the tissues of the body, that transports blood from arteries to veins. Capillaries are most abundant in tissues and organs that are metabolically active.apillaries are where fluids, gasses, nutrients, and wastes are exchanged between the blood and body tissues by diffusion. Capillary walls contain small pores that allow certain substances to pass into and out of the blood vessel.
Capillary Action. Capillary action can be defined as the ascension of liquids through slim tube, cylinder or permeable substance due to adhesive and cohesive forces interacting between the liquid and the surface. When intermolecular bonding of a liquid itself is substantially inferior to a substancesâ surface it is interacting, capillarity occurs.