Spiracle

Spiracle Definition

Imagine being in a crowded room where it's difficult to breathe because of the lack of fresh air. Just as you might open a window to let in fresh air and allow stale air to escape, insects use spiracles to manage their breathing needs. The window is like the spiracle, as both serve as openings that regulate airflow, ensuring that the organism (or room) can maintain a healthy environment by exchanging gases efficiently.

Practice Version

Spiracle Definition

Spiracle: A small hole in an insects thorax or abdomen for air to enter and leave. Spiracle. A spiracle is an opening on an insect's body that helps it breathe.