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.
î î î. transport of respiratory gases. mitochondria, ribosomes, nuclei. erythroproietin. 120 days. carry oxygen. spleen, liver, bone marrow. it enables RBCs to form stacks, it gives each RBC a large surface area-to-volume ratio, it enables RBCs to bend and flex when entering small capillaries. erythrocytes.