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.
Advertisements: I. Transport of Oxygen: The exchange of oxygen and carbon dioxide takes place in between the lungs and blood. The greater part of oxygen diffuses into the blood and at the same time, carbon dioxide diffuses out. Here the question is where the oxygen would go. The most part oxygen (about 97%) is now carried by the erythrocytes or R. B. Cs.