Our tongues have multiple uses for us. Our tongues help us taste, chew, swallow, and talk. The tongue is made up of several groups of muscles. These muscles perform the different jobs of the tongue. The tongue is very flexible and it has eight muscles.The four intrinsic muscles in the tongue are responsible for allowing the tongue to change its shape. These muscles are not attached to any bone. When you roll or tuck your tongue you are using intrinsic muscles. The four extrinsic muscles in the tongue are responsible for allowing the tongue to change its position. These muscles are attached to bone. When you stick your tongue out you are using extrinsic muscles.
The human tongue has on average 3,000 – 10,000 taste buds. .There are some people with more than 10,000 taste buds, and they are known as super-tasters. The upper surface of a tongue is covered with taste buds which contain taste receptors. Different receptors taste different flavors. The bottom of the tongue is smooth. Its purple color comes from the many blood vessels that run along the bottom of the tongue.
According to the University of Edinburgh, a human tongue is around 3.3 inches (8.5 centimeters) for men and 3.1 inches (7.9 cm) for women. The largest tongue among all animals is that of the blue whale. Their tongue weighs an average of 2.7 metric tons. Dogs and cats are mammals that use their tongue in a number of ways. One way is to clean their fur or body. Their tongue tends to have a rough texture, which helps to get the dirt, oil, and even bugs off their fur and skin.