Formerly,intheUnitedStates,manynursesworkedasprivatedutynursesratherthaninhospitals.

Someanimalspantandsweattospeedevaporationofbodymoistureandthuscoolthemselves.

Themegaphone(microphone)makesthevoicesoundlouderbecauseitpointssoundwavesinonedirectionandkeepsthemfromspreadingoutinalldirections.

Alllivingorganisms,regardlessoftheiruniqueidentity,havecertainbiological,chemical,andphysicalcharacteristicsincommon.

Communicationisoneofthemostimportantbondsthatholdculturalsystemstogether.