Matching (1) hormone (a) a family of proteins found in blood and milk and muscle and in plant seed (2) plasma (b) the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect (3) globulin (c) any of a large variety of proteins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response (4) antibody (d) colorless watery fluid of blood and lymph containing no cells and in which erythrocytes and leukocytes and platelets are suspended (5) carbohydrate (e) a hemoprotein composed of globin and heme that gives red blood cells their characteristic color; (6) hemoglobin (f) an essential structural component of living cells and source of energy for animals; includes simple sugars with small molecules as well as macromolecular substance; are classified according to the number of monosaccharide groups they contain