参考答案:
Both the involuntary/enteric nervous system and voluntary nervous system are involved (in the movement of food into, through and out of the intestines.)
Ingestion is the taking of food into the mouth.
Ingestion is under voluntary control.
Sensory input (smell/taste) is used to stimulate ingestion.
The initiation of swallowing is voluntary.
The process of swallowing is involuntary (once the ingested food reaches the pharynx).
There is involuntary control of peristalsis in the oesophagus/small intestine/ churning of the stomach.
The enteric nervous system coordinates movement of bolus/material through the intestine.
There is voluntary nervous control of egestion (by the central nervous system).
Ingestion and egestion are learnt behaviours.
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