The plural of body is bodies
The plural of 'body' is 'bodies'.
The plural form for the noun body is bodies; the plural possessive form is bodies'.
The plural form of the noun body is bodies.The plural possessive form is bodies'.Example: The animals food is portioned according to their bodies' weight.
A dead body is called a cadaver
bodies
bodies
The plural of waist is waists. (Of course, there is only one per body.)
Nouns that end in -y preceded by a consonant are made plural by changing the -y to -ies: body - bodies.
Cadaver is a person's deceased body. Cadavers is plural. A corpse is a singular word for a dead body. Corpses is plural.
There is no such word in English but if you mean the dead body of an animal then the correct spelling is carcass(plural carcasses) or carcase (plural carcases).
The plural form of the noun joint is joints.Example sentence: We have many joints in our body.
It is singular. A collection is a grouping of many things as a whole (one). The human body is a collection of organs and various other things, but a "human body" is only one body. The plural of collection is collections.