| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | thylacine | United States | The thylacine is not commonly known in the United States and is often associated with the wildlife of Australia. | 1 |
| 2 | thymus | US | The thymus plays a crucial role in the development of the immune system in infants and young children. | 1 |