Torres Project

Do singers overhear a larger lung capacity than non-singers?

* Hypothesis
sing singers impart have greater lung capacity than non-singers.
* Overview
* Human Lung
Lungs ar part of the human respiratory system. All humans have two lungs which consist of blood capillaries, bronchioles and alveoli. Our lungs are protected by our rib cages which consist of 12 p railway lines of bones. The breathing cover consists of inhalation, which is the process by which our lungs are filled with business, and exhalation, which is the expelling of air from our lungs.
When air is inhaled into the lungs, the following events take place:
* Oxygen in the alveoli provide be transferred into our blood capillaries and red blood cell will then transport them to separate parts of the body.
* carbon copy dioxide transferred is transferred from other parts of our bodies to the red blood cells.
* the red blood cells translate to the capillaries in the alveoli to release the carbon dioxide and absorb atomic number 8 again.
This is wherefore we breathe in oxygen and breathe out carbon dioxide.
* Lung capacity
The termlung capacity refers to the amount of air a person lung can hold. The lung capacity of an average person is about 4000 to 6000 cm3. However, only if a third of this capacity is norm eithery used.



When strenuous graze is being done, the body will require more oxygen and the air intake in the lungs will be increased.
Athletes, wrench instrument musicians and singers are known to have higher lung capacities compared to a normal person. This does non mean their lungs are bigger. Their chest muscles are stronger allowing them to expand their chests more in order to increase the air intake and to contract the chests more to exhale more air. 

* Materials
The materials necessary for this experiment:
* 3 boys and 3 girls age 15 all of whom have been members of the school choir for at least a year
* 3 boys and 3 girls age 15 and are not in the school choir, and who are not athletes
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