1.   During the day, receptors in a neck artery sense the low blood oxygen and send signals to the brain stem, telling the person to breathe.

2.   Patients who reported having the risk factors over the previous three decades were more likely to have clogged neck arteries.

3.   The doctors began noting temperature variations in the pieces of plaque they removed from patients with blocked neck arteries.

4.   Clots in the coronary arteries or neck arteries, usually formed when those arteries narrow with plaque, are commonly associated with heart attacks and strokes.

5.   Niklason then removed a small segment of a neck artery from a pig and from this vessel took some smooth muscle cells.

6.   The blast severed the neck artery of a diner sitting nearby, killing him, the newspaper said.

7.   The young man had dragged the drunk into the park before biting into his neck artery and sucking his blood, the agency said.