sweet

Sweet is one of the five basic tastes that humans can perceive. The other four are sour, salty, bitter, and umami. Sweetness is often associated with things that are good for us, such as fruits and vegetables.

There are many different things that can taste sweet. Some common examples include sugar, honey, and fruit juice. Sweetness can also be found in some vegetables, such as carrots and parsnips.

The taste of sweetness is detected by taste buds on the tongue. Taste buds are small bumps on the tongue that contain taste receptors. When a sweet substance comes into contact with the taste buds, the taste receptors send a signal to the brain that tells us that the substance is sweet.

Sweetness is important for our survival. It helps us to identify foods that are high in calories, which are essential for our energy needs. Sweetness also helps us to learn about different foods and to develop our preferences.

The little girl had a sweet smile.