Chest pain refers to pain felt anywhere in the chest area from the level of your shoulders to the bottom of your ribs. It is a common symptom. There are many causes of chest pain. This leaflet only deals with the most common.
Answered by The WikiAnswersÂ® Community. Making the world better, one answer at a time. The Genes determine the nature of the cell's work....Each gene is a blueprint that directs the production. The Genes determine the nature of the cell's work....Each gene is a blueprint that directs the production.
Neutrophils and monocytes are considered so-called professional phagocytes. Both arise from the same type of stem cell in the bone marrow. Monocytes normally represent roughly 1 to 10 percent of the circulating WBC population. Like neutrophils, these white blood cells can respond to a site of infection, activate and phagocytize invading bacteria. Monocytes also migrate into the body tissues, where they grow and transform into cells called macrophages.