oxytocin
microtrauma
Nicotien or anything chemical which stimulates the Nicotinic receptors.
Acetylcholine
depolarisation
The nutrient that is not digested but stimulates intestinal muscle contractions is fiber. Fiber is a type of carbohydrate that may be soluble or insoluble.
a kiss
Abducens
Depolarization
acetylcholine (ACh)
Oxytocin
Calcium ions
Somatic type of nerves stimulate the muscle cells to contract.