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.
Optimizing Your Iron. MFP factor refers to the digestion products of meat, fish and poultry. Proteins in meat, fish and poultry are digested into peptides -- short chains of amino acids -- that contain the amino acids cysteine and histidine, which are thought to enhance the body's ability to absorb nonheme iron.