Lesson 2. Lvls of Organization

Lesson 2. Levels of Organization of the Human Body

1. Chemical

   • simplest level of the structural ladder

   • Organelle

2. Cell

3. Tissue

   1. Epithelial tissue

   2. Connective tissue

   3. Muscular tissue

   4. Nervous tissue

4. Organs

5. System

6. Organism