Respiratory System Science Grade 10

3. A type of system which provides oxygen for the body and allows carbon dioxide to leave the body.
7. This part of the system moves air in and out through the process of inhalation and exhalation.
10. This part of the system lines the trachea and bronchi while producing mucus.
11. This part of the system delivers air into the lungs.
12. These are a special types of connective tissue made of specialized cells in a matrix of strong flexible fibers.
13. Air passes through this part of the system and travels down the trachea.

1. These are tiny sacs of air in the lungs that are surrounded by a network of capillaries.
2. Each alveolus is surrounded by this part of the system which ensures a good blood supply.
4. This disease is caused by tobacco smoking and is a threat to the respiratory system.
5. This disease is easily passed between people and is caused when bacteria enters the body.
6. This part of the system separates into two branches called bronchi.
8. Air enters through this part of the system.
9. Epithelia cells have this part of the system which help move mucus and filter out foreign material.