Within a taxon, most animals share a common body plan (or "bauplan" — German for "blueprint" or "builder’s plan") that comprises a certain number of body parts arranged in a particular way.

Increasing your protein intake and incorporating strength training into your routine can help you lose body fat and increase muscle mass. Body composition refers to the amount of fat and fat-free ...

In fruit flies, for example, a malfunctioning body-plan gene can produce a fly with legs sprouting from where the antennae should be on the head. Or the fly has an extra set of wings -- or no ...