Compressed Gas: Helium
Beginning of paper
Helium was discovered by a French astronomer named Pierre-Julius-Cesar
Janssen. The French astronomer got evidence for the element during solar
eclipse in 1868. He detected new lines in the solar spectrum. Later in
1895 Sir William Ramsay discovered it in clevite, a uranium mineral.
Although ....
Middle of paper
.... asphyxia (oxygen deprivation). During the exchange of
gases in the normal breathing process, the blood stream absorbs oxygen
from air in the lungs, while carbon dioxide passes from the blood to the
air. When you hold your breath, the exchange of gases slows, as "stale"
air in the lungs is no longer replaced by "fresh" air. Oxygen is
actually removed from the blood stream during the exchange of gases.
depending on how completely oxygen is replaced by helium, you may lose
consciousness quick ....
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Word count: 918
Page count: 4 (approximately 250 words per page)
