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.
Â· just now. Report Abuse. Oxygen transported by red blood cells. Oxygen is transfered by binding to iron (which is bound to the prophyrin moiety [aka heme] inside red blood cells) CO2 is transported extracellularly dissolved in plasma as bicarbonate ion.Source(s): http://en.wikipedia.org/wiki/Blood. just now. Report Abuse. Oxygen transported by red blood cells. Oxygen is transfered by binding to iron (which is bound to the prophyrin moiety [aka heme] inside red blood cells) CO2 is transported extracellularly dissolved in plasma as bicarbonate ion.