1. • Atoms are tiny, visible particles that make up all things.
• Molecules are many atoms bunched together.
• Organelles inside cells are things that make the cell actually function.
• Tissues are layers of cells.
• Organs are many layers of tissues that perform a task inside our body
(except skin).
• Organ Systems are many organs working together to complete a task.
• Organisms are any living thing.

3. Information:
"Unit I – Levels of Organization." Chapter 1. Print.
<http://midwestcentral.schoolwires.com/cms/lib/IL220002
93/Centricity/Domain/60/Chapter_1_Notes.pdf>.
Picture:
Introduction To Human Anatomy and Physiology. Diss.
Print.
<http://www2.lbsdk12.com/science/Anatomy/anatomyunit1
01.html>.