PlethysmographyPlethysmography, Whole BodyWaterPlethysmography, ImpedanceForearmWater SupplyWhole Body ImagingRegional Blood FlowBody WaterFresh WaterLegVasodilationAirway ResistanceNitroprussideomega-N-MethylarginineWater PollutionWater PurificationThoraxRespiratory MechanicsVeinsRespirationLung Volume MeasurementsVasodilator AgentsVascular ResistanceHyperemiaTidal VolumeWater Pollutants, ChemicalPulmonary VentilationTotal Lung CapacityBlood PressureBody CompositionMethacholine ChlorideMuscle, SkeletalWater PollutantsVenous PressureThoracic WallInfusions, Intra-ArterialHand-Arm Vibration SyndromeFunctional Residual CapacityVenous InsufficiencyWhole-Body CountingAcetylcholineBlood Flow VelocityVascular CapacitanceRespiratory Function TestsPostphlebitic SyndromeTime FactorsVibrationHeart RateEndothelium, VascularAirHemodynamicsPostureExerciseBody WeightLungAnalysis of VarianceWater DeprivationThrombophlebitisPhlebographyBronchoconstrictor AgentsReproducibility of ResultsCross-Over StudiesOxygen ConsumptionVasoconstrictionBrachial ArteryReference ValuesDose-Response Relationship, DrugBlood VolumeAdipose TissueAbsorptiometry, PhotonBody Temperature RegulationBody TemperatureNitric OxideBlood CirculationAirway ObstructionWater MovementsSpirometryFemoral VeinFluid ShiftsWater SofteningSensitivity and SpecificityInsulinPopliteal VeinEnergy MetabolismResidual VolumeHypercapniaDrinkingAbdomenSplanchnic CirculationVasoconstrictor AgentsApneaInhalationSkinSympathetic Nervous SystemLower Body Negative PressureSkin TemperatureElectric ImpedanceWhole-Body IrradiationHelium