digest bacteria and debris from your own
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
High number of WBC, most being defective. These cells
crowd out the bone marrow cells that are developing into
red blood cells and platelets, causing severe anemia and
For every one white blood cell in normal human blood, there are
about 500-1000 red blood cells.
– Is the Blood in our Veins blue?
According to medieval English the term “blue blood” describes someone of
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)
Blood is red, not blue – color of blood is produced by the large concentr