Question

Complete the following summary using words from the word bank:
Word Bank: cells, tissues, organs, organ systems, organism, smallest, largest
The human body is organized into five levels. The _
unit of life. Cells combine to form. are made of different tissues working together. _
that work together. Finally, all of these levels combine to create the
level of organization.
level is the cell, which is the , which are groups of similar cells.
_ are groups of organs _, which is the
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Answer 1

The human body is organized into five levels. The smallest unit of life is the cell. Cells combine to form tissues, which are groups of similar cells. Tissues combine to form organs, which are made of different tissues working together. Organs form organ systems that work together. Finally, all of these levels combine to create the organism, the largest level of organization.