Blood leaving the kidney primarily contains filtered substances, including water, electrolytes, and waste products like urea and creatinine. It also contains essential molecules such as glucose and amino acids, which are reabsorbed during the filtration process. The composition of blood leaving the kidney reflects the organ's role in maintaining homeostasis and regulating the body's fluid and electrolyte balance.
urine and blood
Iron
Hemoglobin is found in the red blood cells.
Hemoglobin is the substance in the blood that picks up oxygen. Hemoglobin is found on red blood cells.
RBC
Fibrinogen is found in plasma but not in serum. Plasma has this clotting protein, but when blood clots, fibrinogen is used up, leaving serum without it. That’s the main difference between the two!
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.
WBCs (white blood cells)
Cholesterol
Cholesterol or lipoproteins.
Bone marrow is the gel-like substance that produces blood cells. It is found within the bone.
you may have some type of kidney problem or failure