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Mountain Sickness Lab

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Grace Dammen Altitude Sickness Biology Honors 1st Quarter Project

For every 1,000 feet ascended in elevation, there is a 3% oxygen decrease. Altitude sickness, formally known as Acute Mountain Sickness or high altitude pulmonary edema.occurs when there is lack of oxygen supply in the air due to high elevation. Altitude or elevation increases when sea level gets farther away from a certain point and creates thinner air. Air is denser at sea level because the air pressure in the atmosphere that is above compresses down toward Earth’s surface. For example, the elevation of Mount Elbert in Colorado is 14,439 feet above sea …show more content…
As a result, the human body must go through a phase in order to survive with less oxygen, acclimatization. When this happens, the human body’s immediate response is to breathe faster in order to maximize oxygen intake and exhale carbon dioxide, and the heart responds by pumping more blood to distribute the oxygen throughout the body faster. The body activates and accelerates its vital organs and cells. The body also makes 30% to 50% more red blood cells at high altitude than at sea level in order to acclimate to the higher elevation. This happens in order to create and enable the maximum amount of oxygen able to distribute throughout the body. While this change in blood flow occurs, the blood redistributes itself to flow where the body needs it the most. More blood is distributed to the brain, heart, and lungs rather than the digestive system. Side effects of the redistribution of blood includes headaches, and nausea because the body is adapting to the change. The human body takes 4-5 days to become fully adapted to the change in altitude. During the time of acclimation, the body has to take time to adjust and produces side effects as a result of the body adjusting as fast as it can. Side effects of altitude sickness can occur within one hour of being anywhere above 8,000 feet. However, symptoms will not occur 3-4 days after being at a high altitude. When one travels to a place of high altitude quickly, the body doesn’t have time to adjust and becomes ill quickly. Dehydration is common when changing altitudes because of the low humidity, and low air pressure. Low air pressure causes the moisture of your body to evaporate because of the distance to the sun’s rays. This process occurs faster and more often in places with high altitude because they usually have a very low humidity percentage and “dry air.” The lower oxygen levels can also lead to fatigue. A person’s ability to create more

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