Which organ is NOT a part of the digestive system?

Question

A. Esophagus
B. Gallbladder
C. Kidneys
D. Mouth
My answer would be mouth

Answer 1

That's correct.

Answer 2

Mouth is incorrect. Be sure to check out the first linked Related Question below.

Answer 3

Esophagus

Answer 4

Oesophagus