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.
Nitrogenous wastes in the body tend to form toxic ammonia, which must be excreted. Mammals such as humans excrete urea, while birds, reptiles, and some terrestrial invertebrates produce uric acid as waste. Uricothelic organisms tend to excrete uric acid waste in the form of a white paste or powder. Conversion of ammonia into uric acid is more energy intensive than the conversion of ammonia into urea.