How to Use "gut" with Example Sentences

1. A smaller gut could therefore support a larger brain .
2. A healthy adult human harbours some 100 trillion bacteria in his gut alone .
3. There 's one dangerous liquid no airport security can confiscate from you : it 's in your gut .
4. He 's mostly writing about the human microbiome , inflammation , gut permeability and other health subjects .
5. That would be a real advance on polypropylene and sheep 's gut .