Arti Ordered Food from a Local Restaurant

Multiple Choice

Arti ordered food from a local restaurant.After placing her order,she thought about how delicious it would taste.She could smell the food being prepared,then watched as it was brought to her table.Finally,she took a bite and enjoyed the combination of flavors in her mouth.At which point in this sequence was her body capable of triggering the flow of gastric juices?

A) when she thought about the food
B) when she began smelling the food
C) when she saw the food
D) when she took a bite of the food