In this task, you will be given sentences in which you have to recognize the name of the body cells. A cell is a mass of cytoplasm that is bound externally by a cell membrane. Usually microscopic in size, cells are the smallest structural units of living matter and compose all living things. Although there might be several correct answers, you need to write one of them. 
 input :  Sickle cell disease : continuous arterial spin - labeling perfusion MR imaging in children . All letters in your response must be lower case letters. Make sure to highlight at least 2 sections in your answer with markdown, i.e. use *highlighted section*. Please reply in details, and include exactly 3 paragraphs. Separate the paragraphs with ***. Mention the word "relationships" for less than 2 times. The words health cannot be in the response. Your answer need to be wrapped in double quotes. Keep your entire response at least 13 words or less..
length_constraints:number_words length_constraints:number_paragraphs keywords:frequency keywords:forbidden_words detectable_format:number_highlighted_sections change_case:english_lowercase startend:quotation
Keep your entire response at least 13 words or less. Please reply in details, and include exactly 3 paragraphs. Separate the paragraphs with *** Mention the word "relationships" for less than 2 times The words health cannot be in the response Make sure to highlight at least 2 sections in your answer with markdown, i.e. use *highlighted section* All letters in your response must be lower case letters Your answer need to be wrapped in double quotes