You will likely need to stay in the hospital if: Emergency or more severe symptoms of head injury are present; Skull fracture; There is any bleeding under your skull or in the brain. Outlook (Prognosis). Healing or recovering from a concussion takes time. ...
Scientists concluded that the average human body contains approximately 37.2 trillion cells! Of course, your body will have more or fewer cells than that total, depending upon how your size compares to the average human being, but that's a good starting point for estimating the number of cells in your own body.
Here, travel into the tiny world of DNA, all the way down to the level of the atoms that make up a single DNA base. The human body contains about 100 trillion cells, each working together in a complex symphony of interactions.