Increased activity of digestive system: PNS Increased respiratory rate and bronchodilation: SNS Increased salivation: PNS Decreased heart rate: SNS Feelings of energy and euphoria: SNS Dilation of pupils: SNS Solution Increased activity of digestive system: PNS Increased respiratory rate and bronchodilation: SNS Increased salivation: PNS Decreased heart rate: SNS Feelings of energy and euphoria: SNS Dilation of pupils: SNS.