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1. The term ‘gut’ refers to:

2. Good bacteria is passed from generation to generation:

3. Chronic irritable bowel syndrome (gas, bloating, alternating between diarrhea and constipation) affects how many people?

4. You gut is home to about 1 trillion bacteria, weighing:

5. There are more neurons in your gut than there are in your central nervous system.:

6. The average gut, if stretched out, would be how long?

7. About 90% of serotonin (the hormone that helps make you happy) is located primarily in the:

8. Foods that are healthful for the guts of others may not be as healthy for your gut.:

9. If spread flat, your digestive system could cover a:

10. You have more DNA in your gut’s microbial system, than you do in your body’s cells: