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Our main focus of this project is to find out why/how the breathing rate changes from person to person while going deeper underwater. Every person in the world has a different breathing rate. An average person, at rest, breathes about twelve to fifteen times per minute. However, women and children breathe faster than men do. With the information we have attained we have come believe that an average person's breathing rate will become slower when getting deeper. A nervous person will take faster, quicker breaths. While a very relaxed person will take full deep breaths.

The reason why we have come to this way of thinking is because of the way the respiration system works. The more pressure applied to a person's body the more pressure on one's lungs. When more pressure is on the lungs the denser a person's breathing rate is. Because the person's breathing rate is more dense then the slower that person's breaths are; causing them to have a smaller breathing rate than if that person was on the

Every diving trip taken is not always safe and errorless. Some of the most common problems are because of increased pressure that effects the respiratory system. While at sea level, the surface, the pressure is one atmosphere, about fourteen pounds of pressure for every square inch on a person's body. From there, every thirty-three feet underwater is equivalent to one more atmosphere of pressure. While underwater a person must do is either hold their breath or breathe through equipment. If a person does not breath underwater, the carbon dioxide inside the blood stream builds up and oxygen will not enter the body and cause the person to become unconscious.

In conclusion, the respiratory system is very important and vital to the diving experience. So make sure that while underwater with your equipment you stay calm, keep a steady breathing rate and never hold you breath. With this information we hope that you will enjoy your time scuba diving while keeping safe.

 Cover Page

 Background
Information

Lab Report

 Analytic Essay

  Results

 Diagram

Pictures

 Web-site Link

 Animation

 Bibliography

 Enhancement

 St. Matthew's Web-site