The most expensive beds will offer a chunky bolster for your animal to recline against, which acts as a neck, back, and footrest. These bolsters are also ideal for any dog that prefers to have somewhere to rest its chin while sleeping.
Our skeletons renew themselves.
After the body’s skeleton grows and forms into its adult size, it then regenerates itself every 10 years or so. This is remodeling and is a process in which it removes old pieces of bone and replaces them with fresh new ones.