| A | B |
|---|
| Pupils dilate | Sympathetic |
| Heart rate increases | Sympathetic |
| Heart's force of contraction increases | Sympathetic |
| Blood pressure rises | Sympathetic |
| Air passages dilate (get larger so they can move more air) | Sympathetic |
| Blood vessels to skeletal muscle and heart dilate (get larger so they can carry more blood) | Sympathetic |
| Blood vessels to kidney and digestive organs constrict (get smaller and carry less blood) | Sympathetic |
| Predominates during exercise | Sympathetic |
| Predominates during rest | Parasympathetic |
| Blood sugar rises | Sympathetic |
| Digestive secretions slow or stop | Sympathetic |
| Digestive tract activity increases | Parasympathetic |
| Heart rate decreases | Parasympathetic |
| Secretion of saliva increases | Parasympathetic |
| Secretion of saliva decreases (dry mouth) | Sympathetic |
| Allows urination | Parasympathetic |
| Supports body functions that use energy | Sympathetic |
| Supports body functions that conserve & restore energy | Parasympathetic |
| "Rest & digest" | Parasympathetic |
| "Fight or flight" | Sympathetic |
| Increased sweating | Sympathetic |
| Constriction of pupil | Parasympathetic |
| Blood pressure decreases | Parasympathetic |
| Air passages constrict (get smaller) | Parasympathetic |
