An MRI is needed when doctors think there is inflammation, a tumor, or something medically wrong with the brain that we can't see on the outside.
Make sure the knives or other utensils are sharp enough to cut your meat or vegetables. Make sure you keep hands away from the bottom edges of the utensils blades. Also, make sure you can focus both your hands and your fingers in order to prohibit cutting yourself from the blades. Keep your eyes on the item your cutting in order not to cut yourself.
90% of water gets reabsorbed. When water passes by the large intestines, most of it gets reabsorbed there in order to maintain normal organ functioning. Water reabsorption also serves as a factor in maintaining homeostasis so as to prevent dehydration.