In brief: Mostly water... Urine is 95% water. The remaining constituents, in order of decreasing concentration are: urea, chloride, sodium, potassium, creatinine, & other dissolved ions, inorganic and organic compounds. The kidneys make the urine, first by filtering the blood, then by adding waste products and extracting essential compounds. In brief: Mostly water... Urine is 95% water. The remaining constituents, in order of decreasing concentration are: urea, chloride, sodium, potassium, creatinine, & other dissolved ions, inorganic and organic compounds.
Aetna Medicare Advantage Plans. Aetna Medicare is a Medicare Advantage organization with a Medicare contract. A Medicare approved Part D sponsor. Plans are offered by Aetna Health Inc., Aetna Health of California Inc. and/or Aetna Life Insurance Company (Aetna).
A network known for exceptional care. The Aetna Institutes are a network of high-performing hospitals, clinics and health care facilities that offer specialized care. These institutes focus on bariatric, cardiac and orthopedic surgeries, as well as on transplant support and infertility services. Our members look for the Aetna Institutes name so they can receive high-quality care at a reasonable cost.