It takes a maximum of two weeks for taste buds to grow back on a human tongue. There are many things that can cause taste buds to be lost; the most common of these occur when drinking very hot liquids, which tend to burn... More »

Skin constantly regenerates and takes approximately 27 days to regrow, while damaged skin growth can vary depending upon the nature and severity of the injury. Scraped skin can take as long as three weeks to grow back, w... More »

If a toenail has completely fallen off, it can take up to 18 months for it to grow back. A toenail can take longer to grow back if the nail bed has permanent damage. More »

According to KidsHealth, the average human tongue has about 10,000 taste buds. In many people, there is a regular turnover every two weeks and all the taste buds are replaced. More »

The average human tongue is 4 inches long. Approximately one-third of this length is located at the back of the throat and is attached to the hyoid bone. This part of the tongue is called the posterior section. The rest ... More »

The sense of smell complements the taste of food, forming the perceived flavor of the food in the brain. Abnormal conditions, such as having a cold, distort this sense of flavor, states the Society for Neuroscience. More »

Smell and taste are linked in that a person's brain merges messages about taste and smell, permitting a person to detect the flavor of a food, explains BrainFacts.org. When an odor and taste are experienced together, a p... More »