Some cells within the human body fall into this range, too. Most blood cells have a life span of a few weeks, but neutrophils, a special type of white blood cell, generally live for only a few hours. Taste receptor cells similarly live for about 10 days, and cells lining the gut often last only five. read more
Even within the human body, there are many different cell types, with examples including liver, muscle and skin cells. Different types of cells within the body live for different amounts of time. Skin cells have a life span of approximately two to four weeks. read more
Epidermic cells, forming the easily damaged skin of the body, are recycled every two weeks or so. Red blood cells, in constant motion on their journey through the circulatory system, last only 4 months. As for the liver, the human body's detoxifier, its cells' lives are quite short - an adult human liver cell has a turnover time of 300 to 500 days. read more