1.The role of the immune system is to protect our body against various diseases.
2. Have you tried any therapy for your sleeplessness?
3. Her disease was caused by a strange bacterium type
4. She has experienced a sleeping intestine since her husband's death.
5. Food passes from the stomach to the small intestine and from there to the large one.
6. The spine is the structure of bones which supports your body.
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