Real Dictionary

body
countable noun: You can also refer to the main part of your body, except for your arms, head, and legs, as your body.
countable noun: You can refer to a person's dead body as a body.
countable noun: Your body is all your physical parts, including your head, arms, and legs.

body in American English
the whole physical structure and substance of a human being, animal, or plant
noun: the physical structure and material substance of an animal or plant, living or dead