People who suffer renal failure are treated with a medical process called dialysis. A dialysis machine carries out the role of the kidneys. Explain the functions that a dialysis machine must perform in order to carry out the work of the kidneys. In your answer, include which structures of a working kidney carry out each function. (5 points)

A dialysis machine mimics some of the functions of a human kidney. A primary job of kidneys is to remove urea and certain salts from blood so they can exit the body in urine. A dialysis machine removes blood from the patient and runs it through tubes made of a semi-porous membrane.

Explanation:

geologic time scale (for gradpoint) =)

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.