Arugula is also a good source of vitamin A, which is important for maintaining good vision, cell growth and immune function, with each serving providing 475 international units of vitamin A, or 10 percent of the recommended daily amount.
Neutrophils are white blood cells that serve as important phagocytes, or garbage collectors. There are about 100 billion of these cells produced every day in the bone marrow and they account for about 70% of the white blood cells in circulation in your body.
White blood cells (WBC) are a heterogeneous group of nucleated cells that can be found in circulation for at least a period of their life. Their normal concentration in blood varies between 4000 and 10,000 per microliter.