| They discovered acupuncture before it was known that blood circulates, or that germs cause disease. |
| Degradation of fibrin clots is the function of plasmin, a serine protease that circulates as the inactive proenzyme, plasminogen. |
| It is caused by a slowing down of the Atlantic Conveyor, the current which circulates water in the ocean. |
| In the hot and humid summer months, air circulates below and throughout the living space above. |
| As coolant circulates through the tubing, heat is removed from the refrigerator to cool the food inside. |
| The aquapark is situated on a 40 sq m area and its equipment circulates about 35000 cubic metres of water. |
