Levels of Organization

Cell

The basic unit of structure and function in living things

Tissue

A group of similar cells that perform the same function.

Organ

A collection of tissues that carry out a specialized function of the body

System

group of organs that work together to perform a specific function

Organism

A living thing

Multicellular

Made up of more than one cell.

function

The specific activity or process that part of an organism, system, or organ performs.

Humans are multicellular organism and are very _____________

complex organisms