Fats should be your answer because they need vitamins and minerals.
When a patient is unconscious( without a pulse) CPR should be performed.<span />
<span>The nephron is the basic structural and functional unit of the kidney, it regulates the concentration of water and soluble substances like sodium through filtering the blood, reabsorbing what is needed and excreting the rest as urine. Therefore urine should be free of blood as the nephron filters the blood, cleaning it for the body to reuse.</span>