English Language · Jumbled Sentences

Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph. A. The key to the system is the pancreatic hormone, insulin, through which the body attempts to manage blood sugar levels and ensure that cells receive the right amount of energy. B. Unfortunately, this lock and key system doesn't always perform like this. C. Every cell in the body needs sugar as an energy source, but too much sugar can be toxic to cells, and this equilibrium needs to be regulated by a lock and key system. D. Cells cover themselves with locks that respond perfectly to insulin keys to facilitate the entry of sugar into cells.