Sodium and potassium. It's also called as electrolytes.
Electrolytes. They help regulate fluid balance, nerve function, and muscle contraction in the body.
Red blood cells, white blood cells, and platelets are typically present in blood but not normally found in urine.
Electrolytes
electrolytes
If you are talking about three substances that are normally found in blood but not in urine, they are leukocytes, erythrocytes and glucose.
electrolytes
hemoglobin
The primary mineral found in the blood is iron. It is the element at the center of the hemoglobin molecule - in the red blood cell.
Creatinine is normally found in urine. Blood proteins, red blood cells, and hemoglobin are all abnormal findings. White blood cells would indicate an infection.
Iron is a mineral found in the blood stream.
Iron
Iron is the mineral found in hemoglobin. It is essential for the transport of oxygen in the blood.