REA-Crossword Puzzle Clues. Search through millions of crossword puzzle answers to find crossword clues with the answer REA. Type the crossword puzzle answer, not the clue, below. Optionally, type any part of the clue in the Contains box.Click on clues to find other crossword answers with the same clue or find answers for the REA crossword clue.earch through millions of crossword puzzle answers to find crossword clues with the answer REA. Type the crossword puzzle answer, not the clue, below.
Eventually, the bronchi become known as bronchioles â the smallest air tubes in the lungs. This system of air tubes can be thought of as an upside down tree, with the trachea being the main trunk and the bronchi and bronchioles being the branches. The medical term for all the air tubes is 'the respiratory tract'.
The lungs are a pair of organs in the chest that are primarily responsible for the exchange of oxygen and carbon dioxide between the air we breathe and the blood. Air enters the body via the nose (preferably) or the mouth. The air enters the main windpipe, called the trachea, and continues en route to each lung via either the right or left bronchus (plural=bronchi). The lungs are separated into sections called lobes, two on the left and three on the right.