Activities of the digestive system generally increase when it is stimulated by parasympathetic impulses. sensory impulses. somatic impulses. sympathetic impulses.

Am certain that the activities of the digestive system generally increase when it is stimulated by parasympathetic impulses. 
The parasympathetic nervous system i one of the three division of the ANS which is sometimes referred as the rest and digest system, the parasympathetic system conserves energy as it slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles in the gastrointestinal tract.

1) clean up you lab area2) dispose of the chemicals as instructed by your teacher3) put everything back where it belongs unless your teacher tells you otherwise4) dispose of gloves5) wash hands with soap and water