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Phagocytes
Red bone marrow produces platelets as well as RBCs and WBCs.
Properties of WBCs Diapedesis: WBCs can squeeze through the pores of blood vessels (even the pore is much smaller than the cell size) by the process of diapedesis. Ameboid motion: Once WBCs have entered the tissue spaces, they move through by ameboid motion. They can move at least three times their own length each minute. Phagocytosis: It's an essential process especially for the neutrophils and monocytes. Selective structures can be ingested then digested via this process. Phagocytes have proteolytic enzymes, lipases and other agents (killer system) that kill the foreign materials. Chemotaxis: Different chemical substances can attract WBCs and make it move toward the site of the chemicals. It depends on the concentration gradient of these secreted substances. http://faculty.ksu.edu.sa/73905/Documents/Paper.abstract/Circulation.pdf
circulation
Blood has lots of cells predominantly the RBCs, WBCs and platelets. WBCs are further of 2 types: Lymphocytes and monocytes. Lymphocytes can be B-lymphocyte or T-lymphocyte. Monocytes are divided into Acidophils, basophils and neutrophils.. See blood contains LOTS OF SMALL CELLS..:)
WBCs live in circulation for about 30 days
Phagocytes
There are usually more RBCs than WBCs. If you have an abnormal increase in WBCs, you have an infection or leukemia (a type of cancer).
White blood cells WBCS or leukocytes are cells of the immune system involved in defending the body against both infectious disease and foreign materials.
antybody
WBCs and platelets
in urinary tract inf. wbcs are in urine.
In the United States, older series of $50 notes are eventually removed from circulation when they become worn, damaged, or are replaced by newer designs. The specific timeline for their removal can vary depending on their condition and how often they are circulated.
Overproduction of WBCs (white blood cells)
White blood cells (WBCs).
WBCs
Because the components of the immune system are part of the other systems. The WBCs are part of the cardiovascular system; the production of WBCs is part of the skeletal system, etc.