Question

The common opening of food Pipe and windpipe

Answer 1

Mouth is the common opening of food Pipe and windpipe.

The windpipe is known as trachea and it belongs to the respiratory system.

The food Pipe is called Esophagus and obviously it's the part of digestive system.

Epiglottis acts as a flap door between Trachea and Esophagus so that food particles don't get into Trachea.

Answer 2

The common opening of food Pipe and windpipe is mouth