Kidneys, Location Of Kidneys. The structural and functional unit of the kidney is called the nephron; each human kidney is composed of more than 1 million nephrons. The principal kidney function is to remove metabolic waste products from the body and to regulate fluid and electrolytes balance within the body. Nephrons are connected in parallels and each individual nephron functions almost exactly the same as all other nephrons in both of the kidneys.
Quick Answer. The function of an MFP factor is to enhance iron absorption, according to Nutrition 411. MFP factors are found in meat, fish and poultry. Other factors that can enhance iron absorption include vitamin C, citric and lactic acid, hydrochloric acid, and sugar. Continue Reading.
limiting factor. Physiology. the slowest, therefore rate-limiting, step in a process or reaction involving several steps. Biology. an environmental factor that tends to limit population size.