Within the bony ---: Structures of the back, the spinal cord (sc), which is the continuation of the brain, lies. The sc is surrounded by a layer, called the thecal sac. The front aspect of this is called the ventral t sac, while at the back, its the dorsal (or posterior) t sac. Its present from the neck down to the lower back. This sac contains the spinal fluid which bathes the sc, providing it nutrition. ...Read more.
A. Yes. Rule 66 of the Highway Code states that cyclists should never ride more than two abreast and ride in single file on narrow or busy roads and when riding around bends. It is perfectly legal for cyclists to ride side by side on most roads. lot of cyclists take the view that undertaking traffic on the nearside is the more dangerous option as it puts you in a position where you cannot easily be seen and the drivers of vehicles do not expect bicycles to âundertakeâ them. You also run the risk of a passenger in a vehicle opening their door into your path.
A bicycle is classified as a vehicle. A person in control of a vehicle on a street or highway is a driver. As a driver, a cyclist must follow the traffic rules common to all drivers. As the driver of a bicycle, he must also obey regulations adopted specially for bicycles. A person riding a bicycle has all the rights applicable to any driver, except as to special regulations for bicycles. Definition of Bicycle.