A comprehensive metabolic panel (CMP) is a blood test that provides information about: 1  how the kidney and liver are functioning. 2  sugar (glucose) and protein levels in the blood. 3  the bodyâs electrolyte and fluid balance.
The ancient Egyptians dug a long canal called Bahr Yousuf to bring water from the Nile to the Faiyum Depression for irrigation. Egyptians developed a system of Nilometers at various points along the valley. This was helpful in comparing past and present water levels. Water storage was not attempted by the Egyptians.
Archeologists discovered the remains of an ancient plumbing system (at least 3,000 years old) on the island of Crete at the site of an ancient palace of Knossos. This ancient plumbing system included a bathtub made out of hard pottery that looked similar to the shape of a cast-iron bathtub of late 19 th-Century America. There was also evidence of a water closet with a seat and crude flushing device. (1000 B.C.). 6.