individual — a single human being, as distinguished from a group.
body — Your body is all your physical parts, including your head, arms, and legs.
creature — You can refer to any living thing that is not a plant as a creature, especially when it is of an unknown or unfamiliar kind. People also refer to imaginary animals and beings as creatures.
item — a separate article or particular: 50 items on the list.
material — the substance or substances of which a thing is made or composed: Stone is a durable material.
matter — a dull or dead surface, often slightly roughened, as on metals, paint, paper, or glass.
organism — a form of life composed of mutually interdependent parts that maintain various vital processes.
presence — the state or fact of being present, as with others or in a place.
quantity — a particular or indefinite amount of anything: a small quantity of milk; the ocean's vast quantity of fish.
single — only one in number; one only; unique; sole: a single example.
singleton — a person or thing occurring singly, especially an individual set apart from others.
stuff — the material of which anything is made: a hard, crystalline stuff.
sum — the aggregate of two or more numbers, magnitudes, quantities, or particulars as determined by or as if by the mathematical process of addition: The sum of 6 and 8 is 14.
totality — something that is total or constitutes a total; the total amount; a whole.
integrate — to bring together or incorporate (parts) into a whole.