Blood consists of plasma, red blood cells called erythrocites, white blood cells called lukocites, and platelets called monocites
Plasma, red and white globules and waste
blood cells , organic substances , inorganic substances
The kidney filters all toxic substances out of the blood and the toxic substances, as well as some excess water, is turned into waste. (and i think you know what "waste" is)
Could one conclude that Ependymal cells & Oligodenrocytes blood cells in the CNS protects neurons from some blood substances in blood.
Ketones are substances created during the breakdown of fat in order to become energy when there is not enough sugar in the body. Ketones can be found in the blood or in the urine.
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 type is based on the inherieted antigenic substances found on the surface of the blood cells.
Electrolytes
proteins
If you are talking about three substances that are normally found in blood but not in urine, they are leukocytes, erythrocytes and glucose.
electrolytes
electrolytes
There are only two substances found in between the blood cells and the capillaries. These are plasma and interstitial fluid.
Blood cells (White blood cell, Red blood cell), Proteins
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.
blood cells , organic substances , inorganic substances