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External Anatomy
Internal Anatomy

What are the different parts of the ant called?  What is inside an ant?

The ant's body, like most insects, has a hard outer covering called the exoskeleton, or cuticle. It functions as armour, protection against dangerous solar waves, an attachment base for internal muscles, and also prevents water loss. It is divided into three main parts; the head, thorax, and abdomen. There is also a small segment between the thorax and abdomen called the petiole, and is either in one or two parts according to species; some ants have a scale on the petiole itself...
Much of the inside of the ant head is occupied with the muscles that close the jaws; the muscles that open the jaws are a lot smaller. The brain, though tiny, is a very complex organ and allows the ant to learn and react to its surroundings. It can remembers things such as colony odour, navigation, and where it has placed a certain object.

The heart is a long tubular organ running the entire length of the body, from the brain to the tip of the abdomen...
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