What Are Snakes' Body Parts?

Lacking appendages, snakes have simple bodies that consist of a head, body and tail. Additionally, some snakes exhibit a narrowing immediately behind the head, which gives them a discernible neck as well. Some primitive snake lineages, such as boas and pythons, have retained their pelvic girdle. Inspecting the tail of such snakes reveals tiny claws or spurs, which are the remnants of rear legs once attached to their pelvises.

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