Where does air travel after it is take into the mouth

Down the windpipe and into the lungs after passing through your bronchial tubes

As your lungs expand air is sucked through your nose or mouth. The air travels down your windpipe and into your lungs

The penis goes in the vagina kid, the 31 year old girlfriend must be your mom asking you are you ready to go to bed.

Depression is lifelong, though you can get medication to with it. the difference between sadness and depression is that sadness lasts a little bit, depression last a long time and it goes on and off. people usually get depression through experiences they have been through, or genetics.