The answer is ASSOCIATIVE neuron. The associative neuron connects or links the other two neurons. The two neurons linked by the associative neurons are; The MOTOR neurons and the SENSORY neuron. I hope that helped. Have a nice day
The oesophagus is the region of the alimentary canal where the food passes without the absorption of nutrients. In oesophagus, we find peristalticmovement which is basically rhythmic contraction and relaxation of the oesophagus in order to facilitate the easy passage for the food to pass from mouth to stomach.
The oesophagus is a muscular tube which measures about 8 inches long.