A high MPV blood count is a blood test result indicating a higher volume of platelets, says WebMD. MPV is the mean platelet volume or total number of platelets in the body. This is a routine measurement included in most complete blood count tests. Continue Reading.
Excretion is the removal of toxic materials, the waste products of metabolism and substance in excess of requirements from organisms. Metabolism is chemical reactions taking place inside cells, including respiration.The body excretes three main waste materials.xcretion is the removal of toxic materials, the waste products of metabolism and substance in excess of requirements from organisms. Metabolism is chemical reactions taking place inside cells, including respiration.
In mammals, excretion is the formation of urine in the kidneys, and expelling carbon dioxide from the lungs. These waste products are eliminated by urination and breathing out respectively. If excretion does not occur in an organism, waste products accumulate, which eventually kill the organism.Also, food waste is expelled through the anus. Other substances are secreted into the bile, and then eliminated in the faeces.The skin and lungs also have excretory functions: the skin eliminates metabolic wastes like urea and lactic acid through sweating, p395 and the lungs expel carbon dioxide.xcretion is one of the most basic functions of life. It is the process of eliminating waste products of metabolism and other non-useful materials. It is an essential process in all forms of life.