Blood ViscosityViscosityHematocritErythrocyte AggregationHemorheologyHemodilutionRheologyErythrocyte DeformabilityExchange Transfusion, Whole BloodIsoxsuprineFibrinogenPolycythemiaCapillary ResistanceBlood Flow VelocityStress, MechanicalPlasma SubstitutesShear StrengthMicrocirculationErythrocyte CountBlood PressureErythrocyte TransfusionErythrocytes, AbnormalBlood Physiological PhenomenaBlood VolumeHemoglobinsErythrocytesErythrocyte IndicesCerebrovascular CirculationAnemia, Sickle CellHemostasisOxygenModels, Cardiovascular