Blood consists of plasma, red blood cells called erythrocites, white blood cells called lukocites, and platelets called monocites
Flies do not drink blood. They feed on other substances like nectar, decaying matter, and feces.
Two substances that pass into the blood include oxygen and carbon dioxide. The blood carries fresh oxygen to the cells and tissues and removes waste materials.
Blood is composed of red blood cells, white blood cells, platelets, and plasma. Red blood cells carry oxygen, white blood cells fight infections, platelets help with blood clotting, and plasma is the liquid portion that carries cells and nutrients throughout the body.
The kidney is the organ responsible for filtering wastes and other substances out of the blood. It helps regulate fluid balance, electrolyte levels, and blood pressure by removing waste products and excess substances from the body through urine.
Capillary: A tiny blood vessel where substances are exchanged between the blood and the body cells.
Blood type is based on the inherieted antigenic substances found on the surface of the blood cells.
Red blood cells, white blood cells, and platelets are typically present in blood but not normally found in urine.
proteins
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
Blood cells (White blood cell, Red blood cell), Proteins
There are only two substances found in between the blood cells and the capillaries. These are plasma and interstitial fluid.
electrolytes
There are a few major substances that make up the blood in our bodies and there are other substances that are also found in blood. The main substances are plasma, a liquid like substance, the platelets or thrombocytes which help the clotting process of blood. Then the red blood cells (RBC) or erythrocytes, and finally the white blood cells or leukocytes which protects the body from harmful infections.
hemoglobin
Sodium and potassium. It's also called as electrolytes.