1. Human Anatomy and Physiology I
Department of Biology, WCU

2. Topics
Cell Chemistry
Cells
Tissues
Muscles
Nerves

3. Definitions Gross anatomy Microscopic anatomy structures seen with eye
seen with a microscope

4. Structural hierarchy Atoms: blocks of matter (H+, Na+)
Molecules: collection of atoms (H20)
Macromolecules: large molecules
Sugars

5. Structural hierarchy
Macromolecules
Fats
Nucleic acids

6. Structural hierarchy
Organelles: collection of molecules (endoplasmic reticulum)

7. Structural hierarchy
Cells: collection of organelles (muscle, kidney)

8. Structural hierarchy
Tissues: cells performing a common function (muscle, intestinal)

9. Structural hierarchy
Organs: tissues performing similar function (blood vessel)

10. Structural hierarchy
Organ system: organs performing a specific function (digestive, CV system)

11. Structural hierarchy
Organism: all levels to sustain life

12. Structural hierarchy