1.   All living organisms produce electrical impulses on an infinitesimal scale.

2.   Electrical impulses are sent down the copper wire.

3.   I felt as though I was stuck in this network or maze of electrical impulses.

4.   In electronics, a spiral is used to convert radio waves into electrical impulses.

5.   In nervous communication, messages are carried as electrical impulses in nerve fibres.

6.   My face seemed to be made up of a mass of needles or spikes or electrical impulses.

7.   This is then amplified by photomultiplier tubes and converted into electrical impulses.

8.   Information is transferred along each neuron by means of an electrical impulse.

9.   An electromyogram, which measures electrical impulses in muscle, will monitor the progress of his nerves across the transplant.

10.   And because the heart works on electrical impulses, shocks for fun can be particularly dangerous for people with pacemakers, or arrhythmia or other heart conditions.