1. Human Biology Organization

2. Cells to Organ Systems Cells: Basic unit of structure and function Tissues: Group of similar cells performing the same function Organs: Group of tissues performing same function Organ Systems: Group of Organs performing unified function

3. Tissues

4. Kinds of Tissues Muscle: contracts, enables movement Nervous: conducts messages, controls and directs the body Epithelial: forms outer layer of skin and inside layer of organs. Connective: connects body tissues, provides support; bone, blood, lymph

5. Muscle

6. Nervous

7. Epithelial Tissue

9. More epithelial tissue

10. Bone tissue

11. Organs of human body

12. Organs

13. Organ Systems

14. Skeletal

15. Endocrine System

16. Homeostasis