Airflow in and out of the spiracles of the insect tracheal system is regulated by motor
output from the cerebral ganglia.

Question

Airflow in and out of the spiracles of the insect tracheal system is regulated by motor
 output from the cerebral ganglia.

Quizplus · Accepted Answer

The regulation of airflow in and out of the spiracles in the insect tracheal system is primarily controlled by the spiracular muscles, which are not directly controlled by the cerebral ganglia but rather by local oxygen and carbon dioxide levels or by the insect's nervous system at a more decentralized level.

Airflow in and Out of the Spiracles of the Insect