1. Brain
2. Heart
3. Skeletal muscle
4. larynx
5. GI Tract
   1. Gastric/GE- Junction
   2. Colon
   3. Liver
6. Genito-urinary tract
   1. Kidneys
   2. Ureters
   3. Uterus - menstruation
7. Bone Marrow
8. Thyroid - normal, goiter, benign nodules
9. Lymphoid Tissue
   1. Spleen
   2. Activation of hematopoiesis
10. Salivary Gland
11. Brown fat