How the Body is Organized

The study of living things is called _____.

• biology

• nucleus

• cytoplasm

• tissue

The _____ is the smallest part of your body.

A group of cells forms a _____.

• cell

• organ

• system

• tissue

Your heart is an example of an ______.

The _____ gives instructions to the cell.

• membrane

• nucleus

• cytoplasm

• tissue

Label the parts of the cell.

Name two jobs that cells do.

What is a group of organs doing the same job called?

Why is every system of your body important?