Insect morphology

Body regions

Insects are characterized by the presence of three body regions: the headhead:
one of the three main body segments in insects; the anterior-most segment containing the many sensory structures including the eyes, antennae, and mouthparts
, the thoraxthorax:
one of the three main body segments in an insect, located between the head and abdomen, where the wings and legs of the insect attach
, and the abdomenabdomen:
one of the three body segments in insects; the most posterior segment containing the heart, reproductive organs, and digestive organs
.

insect body regions