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Hannah Saylor

on 15 January 2013

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Transcript of Acclimatization

1. The climatic adaptation of an organism
that has been moved to a new environment.

2. The adaption to a new altitude; the physiological adjustment by an organism to
environmental change. There is a decrease in oxygen at higher
altitudes, and it takes a while for the
cells in your body to adapt to this
The oxygen levels at the top of Everest
are 1/3 of what they are at sea level.
If you do not take the proper time to
acclimate your body, you could have
serious side effects. At high altitudes, the air pressure is lower
with less oxygen molecules present in the
air. The drop in oxygen levels can have
a negative effect on the body.
The heart rate and the respiratory rate
Dehydration occurs, and non-essential
body fluids are suppressed.
Food digestion is less efficient.
Common symptoms of acute mountain sickness: dizziness, headache, nausea, . fatigue, vomiting, and
exhaustion. Acclimatization By:
Simona Bovanova
Jessica Montgomery
Theresa Nguyen
Hannah Saylor What do high altitudes do to the human body? Why is it necessary? What is it? When climbing, why is it important to have a determined turn-around time? HAPE vs. HACE Extra Information Due to unanticipated slow going, climbers might not reach the summit by midday. In that case, they should always turn around
no matter how close they are to the top.

The consequences of ignoring the turn-
around time may result in death from
climbing in the dark or running . out of oxygen. HAPE is high altitude pulmonary edema that affects
the lungs.
It occurs when extra vascular fluid accumulates in the lungs at high altitude.
It occurs because climbers have climbed too high too fast.
It can be treated if the climber descends to 2000 from 4000 feet, and the victim should do so and keep warm with lots of oxygen.

HACE is high altitude cerebral edema that affects the brain.
Its a form of AMS (acute mountain sickness) where the brain starts to swell and ceases to function in a normal manner.
Symptoms are vomiting, nausea, lethargy, confusion, loss of balance, seizure, and a coma.
It occurs when a climber ascends the altitude very fast
unlike HAPE which occurs on the second day after
ascension. The longer a subject is exposed to a certain factor, the more its body will become acclimated to that factor.
The salt content of sweat and urine decreases as people acclimatize to hot conditions.
Plants, humans, bugs, and animals all go through acclimation because of temperature change. Bibliography http://santiamalpineclub.org/mountain/climbing/terms/
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