Question

the names of the parts of the body.
the words you need to describe an animal.
the words you need to compare things.

Answer 1

Да хотя, впрочем не важно, погнали:
The names of the parts of the body: head(голова), hands(руки), legs(ноги), fingers(пальцы), wrists(запястья).

The words you need to describe an animal: size(размер), color(цвет), family(семейство, напр. семейство кошачьих - cat family).

The words you need to compare things: height(высота), width(ширина), color(цвет), form/shape(форма), weight(вес).