BIOL 1010 Chapter Notes - Chapter 26: Extracellular Fluid, Capillary, Venous Blood
14 May 2017
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Major functions of these two is to engulf and digest bacteria and debris from your own dead cells. Spend most time moving through the interstitial fluid, where most battles against infection are waged. Wbc can be found in the lymphatic system (chapter 34) Leukemia is cancer of the white blood cells. These cells crowd out the bone marrow cells that are developing into red blood cells and platelets, causing severe anemia and impaired clotting. For every one white blood cell in normal human blood, there are about 500-1000 red blood cells. According to (cid:373)edieval e(cid:374)glish the ter(cid:373) (cid:862)(cid:271)lue (cid:271)lood(cid:863) des(cid:272)ri(cid:271)es so(cid:373)eo(cid:374)e of noble descent. Veins and arteries look blue because they both have thick wall consisting of many layers of tissue. They are completely opaque, preventing any light from passing through. As light penetrates your skin, low energy wave lengths are quickly absorbed blue wave lengths have enough energy to reflect off the veins (giving them the blue color)
