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.
Capillaries are the smallest type of blood vessel in the body. Their job is to enable the exchange of substances between the blood and surrounding tissues. One place where they can be easily seen (no pun intended!) from the outside is on the whites of the eyes.