'''[[Fats In The Diet|Previous-Lesson 11-]] | -PDF pages 282-295- | [[Life Science Health System - T.C. Fry|-Table of Contents-]] | [[Air, Sunshine, And Natural Light Essential To Health|-Next-Lesson 13]]''' | '''[[Fats In The Diet|Previous-Lesson 11-]] | -PDF pages 282-295- | [[Life Science Health System - T.C. Fry|-Table of Contents-]] | [[Air, Sunshine, And Natural Light Essential To Health|-Next-Lesson 13]]''' |