Freelancing is not just a U.S. phenomenon, but is now spreading around the world. There are approximatly 53 million freelancers in the U.S. contributing $715 billion in earnings to the national economy. 80% of all workers in the U.S. surveyed said they would do work on the side if it came to them to earn extra money.
The Phagocytes. Phagocytes are the soldiers of the immune system, and provide innate immunity. They are responsible for swallowing, killing and digesting invading microbes. The process of swallowing microbes is known as phagocytosis.There are two main types of phagocyte. 1  Microphages. 2  These cells are also known as Polymorphonuclear Leucocytes, PMNs and Polymorphs. 3  These cells start life in the bone marrow. 4  They are constantly circulating in the blood.he process of swallowing microbes is known as phagocytosis. There are two main types of phagocyte. 1  Microphages. 2  These cells are also known as Polymorphonuclear Leucocytes, PMNs and Polymorphs. 3  These cells start life in the bone marrow.
An organism or specialized cell that engulfs and ingests other cells or particles. Phagocytes in vertebrate animals include white blood cells called macrophages, which help the body fight disease by breaking down foreign particles and bacteria.â¦ The process by which phagocytes engulf and break down bacteria or particles, as of food, is called phagocytosis (fÄgâ²É-sÄ«-tÅâ²sÄ­s).Single-celled organisms such as amoebas ingest food by the process of phagocytosis. See also: Blood and Blood Vessels. The process by which phagocytes engulf and break down bacteria or particles, as of food, is called phagocytosis (fÄgâ²É-sÄ«-tÅâ²sÄ­s). Single-celled organisms such as amoebas ingest food by the process of phagocytosis.