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The middle segment is the thorax. Insects typically have (3)-head, thorax, abdomen.
Head, thorax and abdomen are the names of a grasshopper's three body regions.Specifically, the head constitutes the first region. It is attached to the thorax. The middle region is attached to the abdomen.
The Thorax.
in the left part of the thorax
16 segments
If you are looking for a single bone meaning thorax, there isn't one. The thorax is a region or area of the body, rather than a singular bone name. The thorax is the part of the body from the neck to the diaphram. In insects, its the part of the body with the legs and wings. Its the middle segment in an arthropod. The bones in the thorax consists of the ribs, the spine and the cartilage sternum. These are a protective cage for the vital organs, the lungs and the heart. See the related link for more information.
Trapezius
This serosa covers the thorax cavity, the heart, and the lungs. It gives the lungs a libricant, allowing them to move easily over the thorax wall.
A caterpillar's body is divided into three segments. The first segment is the head, the second segment is the thorax, and the third part of the body is the abdomen.
The thorax, or backbone, comprises three sections of a cockroach: the prothorax, mesothorax, and the metathorax. Each segment contains one set of legs.
Head and Thorax (Arachnids have cephalothorax, ex: spiders and scorpions)
Most insects have head, thorax, abdomen as their body segments.