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