1 For an average 10 x 12 (120 square foot) room, that works out to a materials cost of $240 to $480. 2  8mm Pergo is closer to $2 per square foot; 12mm is on the higher end of the price spectrum. 3  Underlayment prices vary widely. 4  Some cost as little as $.10 per square foot while others run as high as $1 per square foot.
Definition. noun, plural: leukocytes. Any of the blood cells that lack hemoglobin, colourless and with nucleus. Its major function involves the body's immune system, protecting the body against invading microorganisms and foreign particles. Supplement
There are two basic types of leukocytes: 1  The phagocytes (pronounced: FAH-guh-sytes) are cells that chew up invading organisms. 2  The lymphocytes (pronounced: LIM-fuh-sytes) are cells that allow the body to remember and recognize previous invaders and help the body destroy them.