signal

01. When I point to you, that's the [signal] to begin.

02. I hate it when people turn without [signaling].

03. The teacher [signaled] to the child to sit down.

04. The bombing was a clear [signal] that the peace talks had failed.

05. The linesman is [signaling] a penalty.

06. The commander gave the [signal] for the soldiers to start firing.

07. Hey, that policeman is [signaling] you to pull over.

08. Cyril Connolly once said that imprisoned in every fat man, a thin one is wildly [signaling] to be let out.

09. The human brain continues sending out electrical wave [signals] for up to 37 hours following death.

10. Nerve [signals] may travel through nerve or muscle fibers at speeds as high as 240 miles per hour.

11. The world's first electric traffic light [signal] was installed in Cleveland, Ohio in the 1920s.

12. Anger [signals] your body to prepare for a fight.

13. In October of 1781, British leader Lord Cornwallis surrendered to General George Washington at Yorktown, [signaling] the end of the American Revolution.

14. My cell phone lost the [signal] as soon as I was out of the city.

15. Our body's desire for food is influenced by a number of internal [signals].