2. Levels of Organization

3. Cells

4. Levels of Organization Cells: microscopic units of living matter

5. Levels of Organization Cells: microscopic units of living matter – Each individual begins as a single cell that is capable of mitosis and differentiation..\Desktop\overview.mov..\Desktop\overview.mov

6. –As a consequence of mitosis and differentiation, four cell groups develop

7. 1. Epithelial cells

8. 1. Epithelial cells: examples

9. Liver Cell (TEM 9,400x)

10. 2.Connective tissue cells

11. 2.Connective tissue cells: examples

14. 3. Muscle cells

15. 3. Muscle cells: examples

16. 4.Nerve and glial cells

17. 4.Nerve and glial cells: examples

19. Levels of Organization, cont’d. Cells

20. Levels of Organization, cont’d. Cells Tissues

21. Levels of Organization, cont’d. Cells Tissues – Epithelial

22. Levels of Organization, cont’d. Cells Tissues – Epithelial

23. Levels of Organization, cont’d. Cells Tissues – Epithelial – Connective

24. Levels of Organization, cont’d. Cells Tissues – Epithelial – Connective –

25. Levels of Organization, cont’d. Cells Tissues – Epithelial – Connective – Muscle

26. Levels of Organization, cont’d. Cells Tissues – Epithelial – Connective – Muscle

27. Levels of Organization, cont’d. Cells Tissues – Epithelial – Connective – Muscle – Nervous

28. Levels of Organization, cont’d. Cells Tissues – Epithelial – Connective – Muscle – Nervous

30. Levels of Organization, cont’d. Cells Tissues – Epithelial – Connective – Muscle – Nervous Organs C:\WIN95\Profiles\Carey000\My Documents\My Pictures\lung.mov C:\WIN95\Profiles\Carey000\My Documents\My Pictures\lung.mov

33. Levels of Organization, cont’d. Cells Tissues – Epithelial – Connective – Muscle – Nervous Organs Organ Systems

34. Woodcut from De Humani Corporis Fabrica by De Humani Corporis Fabrica Andreas VesaliusAndreas Vesalius, published in 1543.1543.

35. Levels of Organization, cont’d. Cells Tissues – Epithelial – Connective – Muscle – Nervous Organs Organ Systems

36. The Organism

37. Andreas Vesalius (1514 – 1564)