11.   Bell Atlantic still needs approval from the Federal Communications Commission on a market-by-market basis to alter its cable systems to carry video signals.

12.   Blood cells carry oxygen, muscle cells allow us to move, nerve cells carry signals and so on.

13.   A person develops the syndrome when the tendons of the wrist become swollen from overuse, trapping the median nerve that carries signals to the hand.

14.   But the signals are carried by a network of wireless transmission towers and switches, said Joseph Braude, a senior analyst with Pyramid Research.

15.   Cable television systems were designed, obviously, to carry television signals, which require far more digital bits than even the quickest data connections generally available to consumers.

16.   Cable The black coaxial cable that carries cable television signals to tens of millions of households can also handle high-bandwidth data connections.

17.   Cox Communications last weekend stopped carrying the signal of several big-market Fox TV stations as part of a larger dispute between the two media giants.

18.   Dopamine is a neurotransmitter that carries signals across the junctions, known as synapses, between nerve cells in the brain.

19.   Equipping digital networks to carry telephone signals has proven expensive, and many other cable operators have backed off from offering this service.

20.   Finally, in the center is the wire that carries the signal.