For more on the meaning of colors for the color red. Orange is the color of social communication and optimism. From a negative color meaning it is also a sign of pessimism and superficiality. For more on the color orange. With the meaning of colors, in color psychology, yellow is the color of the mind and the intellect. It is optimistic and cheerful. However it can also suggest impatience, criticism and cowardice. For more on the color yellow.
The blood has several types of white blood cells including neutrophils, bands, eosinophils, basophils, monocytes and lymphocytes. Each fights infection in a different way. Neutrophils, for example, are one of the body's main defenses against bacteria. Neutrophils kill bacteria by ingesting them. Neutrophils can ingest five to 20 bacteria in their lifetime. Another type of white blood cell is called bands. Bands are immature neutrophils.
There are five different types of white blood cells, also called leukocytes, found in the human bodies. White blood cells all help to defend the body from foreign particles in some way.All white blood cells are produced in red bone marrow, with the special type lymphocytes also being formed in lymphatic tissue.ogether all these types of white blood cells coordinate a system that defends the body from infection, damage and even cancer. Neutrophils are the most numerous of the white blood cells. They are often called bacterial slayers because they're usually function is killing foreign bacteria in the body.