Question

All of the following are part of the digestive system except the __________.

Select one of the options below as your answer:
a. stomach
b. esophagus
c. intestines
d. heart

Answer 1

The heart is of circulatory system. Therefore, d. heart is the correct answer~

Answer 2

The heart doesn't do anything to the digested food, so the heart isn't part of the digestive system. P.S. this seems like a biology question, not chemistry.