Develop a better understanding of the respiratory system.

Describe the functions.

The grade level is ninth/ tenth grade.

The respiratory system plays a vital role in the functioning of the human body. It consists of lungs and a system of tubes that carry air to them from the environment.

Respiration

• Respiratory System
  
• Inhalation ...  Exhalation
  
• Mechanics of Breathing

Questions

1. Study the respiratory system of the human body.
   
2. Name any five organs of the respiratory system.
   
3. Write a brief description of the exchange of gases (O₂ and CO₂).
   
4. Draw the lungs and describe.
   
5. Distinguish between inhalation and exhalation. Describe.
   
6. Name a disease whereby the lung lose elasticity, caused by smoking. Name two more diseases that may occur in human respiration.
   
7. Define These Terms
   
   • Nose
   • Pharynx
   • Larynx
   • Trachea
     
8. How is oxygen transported in human respiration?
   
9. How is breathing controlled in human respiration?
   
10. In human respiration, what diffuses from the body cells into the blood?

• http://en.wikipedia.org/wiki/Respiration
  
• http://library.thinkquest.org/28202/AHuman%20Respiration.htm

Conclusion

The respiratory system is responsible for breathing. Breathing moves air in and out of the lungs.

Evaluation

10 points for each correct answer. For part/parts of answer, give part or parts of 10 points based on how many answers are needed/teacher judgment.