| regulate metabolism | 0.69 |
| circulate in the blood | 0.51 |
| affect the levels of ce… | 0.25 |
| exist in two forms | 0.25 |
| control the rate | 0.25 |
| nervousness | 0.16 |
| weight loss | 0.16 |
| hyperthyroidism | 0.30 |
| hypothyroidism | 0.20 |
| produced | 0.65 |
| produced in response | 0.63 |
| produced by the thyroid… | 0.55 |
| bound | 0.42 |
| released into the blood | 0.37 |
| secreted | 0.25 |