No. Food and liquids should not go down into the lungs. That is why one coughs excessively when food or liquid "goes down the wrong tube." Aspiration is the term for breathing food or liquid into the lungs, and frequently causes a severe pneumonitis and may result in pneumonia.
It depends, are you talking about the word, the sound, or the sign? It is impossible to answer till we know which one.
Your lungs are the reasons you body has Oxygen. In your lungs, we do produce mucus, which we cough up because of the cilia in our lungs. Smoking causes this cilia to not move the mucus out of your lungs which in turn causes problems.
breathing is the human action that causes the lungs to be filled with air.
your lungs
What prevents food from getting into the lungs is an Aorta.
What prevents food from getting into the lungs is an Aorta.
cigarettes have tar in them that goes into your lungs which is toxic to your lungs and since it doesn't go anywhere it causes disease in your lungs.
Cystic Fibrosis patients has a sticky mucus that clogs the lungs, causes lungs infections, obstructs the pancreas, and stops natural enzymes that helps the body break down food.
sleeping
Inflammation of the tissues that cover the lungs and line the chest cavity causes pleuritis, with fluid accumulating in the lungs.
Yes it does, it causes bronchoconstriction!