Numbness is definitely not normal. I suggest that you go and see a doctor to figure out what is going on.
The surface of the tongue has a rough textured upper surface due to taste buds. The lower surface lacks taste buds and has therefore a smooth texture.
No, the tongue of an animal like a cow or pig may feel different from a human tongue. It could be larger, rougher, or have a different texture due to variations in taste buds, salivary glands, and overall anatomy.
because it is the taste buds can feel the bitter drug or the tongue can identify only the bitter food.
Supposedly, there are different types of taste buds on different areas of the tongue. It is hard to actually prove this, since your saliva spreads the taste all over. Some scientists feel that this is not true anyway, but you can experiment. Get four samples of tastes - sweet, bitter, salt, and sour (make sure they are fairly wet samples because you will be drying your tongue off!). Stick out your tongue and dry it off with a paper towel. Then touch a drop of each taste to different spots on your tongue. The traditional spots are: * Bitter - back of the tongue * Sweet - front of tongue * Sour - one spot on each side of the tongue toward the front * Salt - one spot on each side of the tongue toward the back
Acids taste sour because they stimulate taste receptors on our tongue, signaling the brain to perceive that sensation. This sour taste is a result of the acids releasing hydrogen ions, which trigger a response in our taste buds that we interpret as sourness.
The taste buds go through the process of dying and multiplying after you consume something too hot it depends how bad your burn your tongue, but most times you won't be able to taste foods as well. You might feel a bit numb on your tongue. Not to worry, the tongue is one of the fastest healing parts of the body. I heard that somewhere. If you mean burned by hot coffee or something, give it a few days to get your taste buds back.
Well soda has a sweet taste because of its sugar and sweetning. When you drink soda you might taste the soda as a sparkling feel on your taste buds.
Your tongue.
because it is the taste buds can feel the bitter drug or the tongue can identify only the bitter food.
No it is not gay- some think that it looks good, and tongue piercings (for instance) can make oral sex feel better for some. It is all a matter of taste and personal preference, and is not indicative of sexual orientation.
it feels starchy on the tongue and makes it feel thicker too. and sometimes it has acerbic taste.
There are many known causes for swollen taste buds. A few swollen taste buds causes are listed belowOne of the basic causes for swollen taste buds is eating very hot food, that may irritate or burn the taste bud causing swelling.Having very spicy or salty food is also known to cause swelling of the taste buds.Exposure to toxins like alcohol, tobacco smoke, insecticides, etc.Allergies to certain food stuffs or eating acidic foods like lemons, grapefruit, some sauces.Another cause for swollen taste buds is a gastric condition called acid reflux disease.Tongue ulcers or mouth ulcers due to thrush or any yeast infection can cause inflamed taste buds.Certain mineral or vitamin deficiency like B complex vitamin deficiency can also cause swollen taste buds.Other causes for swollen taste buds are trauma caused to the tongue or taste buds by biting, infection of the stomach or allergy that may cause inflammation to the entire esophagus.Source: http://www.buzzle.com/articles/swollen-taste-buds.html