Respiratory System

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Across
  1. 3. A series of chemical changes that take place in cells to release energy.
  2. 7. Any of the many tiny air sacs of the lungs which allow for rapid gaseous exchange.
Down
  1. 1. the bronchi become smaller the closer they get to the lung tissue and are then considered
  2. 2. Any of the major air passages of the lungs which diverge from the windpipe.
  3. 3. The system that takes air into your body and ultimately makes the oxygen available to the cells
  4. 4. Connects the mouth and nose to the oesophagus where the mucus is then swallowed
  5. 5. A large membranous tube reinforced by rings of cartilage, extending from the larynx to the bronchial tubes and conveying air to and from the lungs
  6. 6. Finer particles and some bacteria are trapped by a combination of sticky mucus and tiny hairs