<prompt> Location of a-1 sympathetic receptors-Blood vesselsBranchSweat glandsHeart  <response>: Ans. is a i.e., Blood vessels Sympathetic Nervous SystemEffector OrgansParasympathetic Nervous SystemReceptor TypeResponseEyes Radial muscles of iris-a1Contraction mydriasisSphincter muscle of irisContraction miosis -Ciliary muscleContraction for near vision -Heart SA nodeDecreased heart rateb1Increased heart rateAtria and ventricleDecreased atrial contractilityb1, b2Increased contractilityAV node and Purkinje fibersDecreased conduction velocityb1Increased conduction velocityArterioles Skin, splanchnic vessels-a1ConstrictionSkeletal muscle-a1, b2, MConstrictionDilationSystemic veins-a1, a2,b2ConstrictionDilationBronchial smooth muscleContractionb2RelaxationStomach and Intestine Motility and toneIncreaseda1 a2, b2DecreasedSphinctersRelaxationa1ContractionScretionStimulation- GallbladderContractionb2RelaxationUrinary bladder DetrusorContractionb2RelaxationSphincterRelaxationa1ContractionUterus pregnant-a1, b2ContractionRelaxationMale sex organsErectiona1EjaculationSkin Pilomotor muscles-a1 ContractionSweat glands-MSecretionLiver-a1, b2GlycogenolysisPancreas AciniIncreased secretiona1Decreased secretionIslet cells-a2,b2Decreased Increased secretionSalivary glandsprofuse, watery secretiona1bThick, viscous secretionAmylase secretionLacrimal glandsSecretion -Adipose tissue-b3Lipolysis 