It's Where You Get Butterflies When You're Nervous
This page is the CodyCross answer for the clue below from Architectural Styles, Group 1161, Puzzle 5 (Machu Picchu).
Question is: It's Where You Get Butterflies When You're Nervous
and the answer is: STOMACH
Word Meaning:
STOMACH — An organ in animals that stores food in the process of digestion.
Definitions from Wiktionary.