The
sense of taste
With
the sense of taste we can identify flavors in the food.
The
sense of taste is located in the tongue.
The
tongue is inside the mouth.
The
mouth is an orifice.
The
food is ingested through the mouth.
The
tongue is joined by the base to the floor of the mouth and has the free tip.
The tongue is a muscular organ. The tongue has 17 muscles. The tongue can make all kinds of movements. The tongue is moved thousands of times in a day. The tongue helps the chewing of food.
Saliva dissolves food. Saliva is a liquid that moistens the mouth, softens
the food and helps with digestion.The sense of taste helps
digestion because when we like food, we secrete saliva and gastric juices.
The surface of the tongue has sensory organs called taste
buds with different shapes. They also have nerves.
The
food reaches the taste buds and transmits the taste to the brain through the
nerves.
Food can be sweet or salty, sour or bitter.
Curiosities
A team of scientists in biochemistry, molecular biophysics and neuroscience
at the Medical Center of Columbia University (USA) has discovered that although
taste receptors are in the tongue, it is our brain who recognizes the flavors.
There are cells in the brain that detect all tastes.
The researchers manipulated the brain cells of a few laboratory mice.The
mice changed the way they tasted food. The mice didn’t detect the sweet taste
and nauseated the water.
The sense of
taste is in the brain and not in the tongue
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