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. White blood cells, also called leukocytes, are much fewer in number than red blood cells. There are 5 different types of white blood cells that work together to protect the body by attacking foreign invaders, including bacteria, viruses and tumors.The most common type of white blood cells are called neutrophils.hite Blood Cells. White blood cells, also called leukocytes, are much fewer in number than red blood cells. There are 5 different types of white blood cells that work together to protect the body by attacking foreign invaders, including bacteria, viruses and tumors.