Your tongue is a organ in your mouth. Your tongue has tiny bumps called papillae. Taste buds collect nerve like cells that connect to your brain. There is also a thing called a taste map (4 common tastes) Doesn’t exist. (Hoffman, 2017) A few tongue conditions you can have is Thrush ( Candidiasis), Macroglossia (Big tongue), Burning mouth/ burning tongue syndrome. ( Relatively common) (Hoffman,2017) Tongue test you could do is a Biopsy. A few Tongue treatment you could do Steroid gel, Silver nitrate, Viscous lidocaine. (Hoffman, 2017)Some people get taste and flavor confused. Taste is a chemical and cells that make up taste buds. Flavor is multiple senses. Your taste relies on certain molecules in the food you eat. Molecules on our tongue sends a signal to our brain and process it there. The processed signals tell our brain what kind of food we’re eating and allows us to make certain decisions on how we react to it. For example: Sweetness is associated with high calorie food. Bitterness might signal something like danger. Many toxins are associated with this particular taste. ( Works 2017)Chemicals interact with receptors that trigger the signals sent to your brain. Sugars are recognized by the receptors because of the sweet taste. Sodium is also recognized because of the salty, acid that make the sourness. Bitterness is the most sensitive out of all the tastes. ( Works 2017)Its well known that taste and appetite are linked. As we age the number of receptors on our tongue declines. By the time you’re 20 you have half of the taste receptors you have than when you were a child. ( Works 2017)Your nose has something called nostrils. Your nostrils and your nasal are separated by a wall called the spectrum. Your spectrum is a thin piece of bone., Your septum is made of something called a cartilage. The nasal cavity connects to the back of your throat. Inside your nose is a thin layer of tissue called mucous membrane. All of the germs, dust and mucus could irritate your lungs. (Dowshen, S. 2015) Have you ever noticed how a smell reminded you of a memory? Well you have something called a olfactory epithelium, which is another word for smell. Within your smell there are 10 million scent receptors. Your receptors can recognize up to 10,000 receptors.Your receptors send messages to your brain recognizing the scent your smelling. Within your 5 senses your smell is the most useful because it helps you understand the world you live in. If you smell flowers or fresh cut grass you know that it’s spring. When you smell things like food it usually makes it taste better. If you ever get a nosebleed it is because the air is dry. If you ever get a nosebleed you need to get a kleenex and pinch your nose. Most people tilt their head back but you don’t want to do that. (Sense of Smell Facts for Kids 2016) Some facts: Your smell cells renew every 30 to 60 days. Your smell is also your oldest since. Women also have a better sense than Men do. Decline in smell may predict death within 5 years. It’s possible to smell feelings. We can’t smell anything when we are sleeping. When a woman is pregnant their smell becomes Hypersensitive. Babies can also smell before they are born. Some people can only smell bad things.