Functions of the Urinary System. 1  The kidneys excrete waste products. 2  The kidneys control blood volume by regulating the volume of urine produced. 3  The kidneys help regulate the concentration of major ions in the body fluids.
TBH is an acronym. TBH means âto be honestâ for most teens. It is a way of talking to their friends without using words. It saves them time, they exert less energy when they are typing, and it looks cool when they use acronyms instead of words. TBH is often used when chatting online, through text and in online forums.
MCH: Abbreviation for mean cell hemoglobin, which is the average amount of hemoglobin in the average red cell. The MCH is a calculated value derived from the measurement of hemoglobin and the red cell count.