If a team official, substitute, substituted or sent off player or outside agent enters the field of play the referee must: 1  only stop play if there is interference with play. 2  have the person removed when play stops. 3  take appropriate disciplinary action.
The bicarbonate ion (hydrogencarbonate ion) is an anion with the empirical formula H C O 3 â and a molecular mass of 61.01 daltons; it consists of one central carbon atom surrounded by three oxygen atoms in a trigonal planar arrangement, with a hydrogen atom attached to one of the oxygens.
1 The percentage of hemoglobin that is carrying oxygen. 2  Hemoglobin is the protein in red bloods cells that carries oxygen through blood vessels to tissues throughout the body. 3  O 2 content (O 2 CT or C a O 2). 4  The amount of oxygen per 100 mL of blood. 5  Bicarbonate (HCO 3 -).