Why do you get hungry when you smell food?

Answer 1

Because when you smell food it sends a signal up to your brain and that alerts you that you are now hungry. For some people it is a mind set thing. When they smell food they automatically think they are hungry, or need food.

Answer 2

Your nose smells food

Your brain realizes that the smell is food

Your brain prepares the body for the food by producing saliva in the mouth, regardless of whether or not you are going to eat the food.

In other words, your brain is prapareing your body to eat the food.

Answer 3

When you see food your brain anticipates that you will be eating soon and therefore starts the process of digesting food by releasing the primary digestive juices in the form of saliva from the main saliva glands under your tounge.

Answer 4

because your tase bud smell it and they know you are going to eat it

Answer 5

You imagine what the food tastes like and your saliva glands produce saliva in anticipation for eating the food.

Answer 6

because its creating sliva