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.
Confidence votes 19. In most places it is illegal to bike on the sidewalk. Cyclists are subject to the same laws on the road as a vehicle, someone that is also illegal to drive on the sidewalk (no surprise there). Some cities have local ordinances that allow cycling on sidewalks but from what I have seen this is not very common. Cyclists on the road are subject to all laws of the road as well.