摘要：What is an Insect Insects are small animals with six legs and three body parts. Insects have three main body parts.These three parts are the head, the thorax and the abdomen.All insects have two antennae.They use their antennae for touch,taste and smell.Insects don’t have bones. They have a hard shell that protects their bodies.This hard shell is called exoskeleton.

注：因版权方要求，不能公开全文，如需全文，请咨询杂志社