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).
Aetna Medicare is an HMO, PPO and prescription drug plan with a Medicare contract. Enrollment in Aetna Medicare depends on contract renewal. See Evidence of Coverage for a complete description of benefits, exclusions, limitations and conditions of coverage. Plan features and availability may vary by location. Humana is a Medicare Advantage [HMO, PPO and PFFS] organization with a Medicare contract. Enrollment in any Humana plan depends on contract renewal. This information is not a complete description of benefits. Contact the plan for more information. Limitations, copayments and restrictions may apply.