Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) What I need to know about Diarrhea ?
    ### Response:
    Diarrhea is frequent, loose, and watery bowel movements. Bowel movements, also called stools, are body wastes passed through the rectum and anus. Stools contain what is left after your digestive system absorbs nutrients and fluids from what you eat and drink.
    