What Is Blood Composition?
Blood composition is the chemical composition of blood. Chemically, blood is extremely complex and it varies between different species, especially between vertebrates and invertebrates. Understanding normal blood composition is an important aspect of medical care because it allows doctors to identify situations in which the blood composition is abnormal. Abnormalities in the blood can provide clues to a patient’s overall health and may explain symptoms experienced by the patient. All told, blood makes up about eight percent of body weight. It consists of plasma and cells which move in a suspension through the body. Around 55% of the blood is plasma, and plasma itself is mostly water. The cells in the blood include thrombocytes, erythrocytes, and leukocytes, all of which serve different functions in the body. The liquid in the plasma keeps these cells in a consistent suspension.
