Working with Walter Cannon,A.L.Washburn used a(an)________ to show that feelings of hunger are accompanied by stomach contractions.
A) computer chip
B) balloon
C) electrode
D) sensor

Question

Quizplus · Accepted Answer

A.L. Washburn used a balloon to demonstrate that feelings of hunger are accompanied by stomach contractions. He swallowed the balloon and inflated it with a pump, which created a sense of fullness. As he deflated the balloon, he experienced feelings of hunger and observed corresponding stomach contractions through a simultaneous X-ray.