Simplify the following text for a Grade 10 native English-speaking person.
Original: The sound is produced by expelling air from the pharynx , often accompanied by flashing of the brightly-colored abdomen in a further attempt to deter predators .
Simplified: The sound is made by moving air from the pharynx , often along with the flashing of the brightly-colored abdomen in a further attempt to deter predators .