Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Microscopic Colitis: Collagenous Colitis and Lymphocytic Colitis ?
    ### Response:
    The colon is part of the gastrointestinal (GI) tract, a series of hollow organs joined in a long, twisting tube from the mouth to the anusa 1-inch-long opening through which stool leaves the body. Organs that make up the GI tract are the
                
- mouth  - esophagus  - stomach  - small intestine  - large intestine  - anus

    