What happens to your body at the top of Mount Everest - Andrew Lovering

1,310,453 views ใƒป 2022-06-28

TED-Ed


์•„๋ž˜ ์˜๋ฌธ์ž๋ง‰์„ ๋”๋ธ”ํด๋ฆญํ•˜์‹œ๋ฉด ์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค.

๋ฒˆ์—ญ: ๊ด€์›… ๋ฌธ ๊ฒ€ํ† : Hyeona Seo
00:07
If someone teleported from sea level to the top of Mt. Everest,
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๋งŒ์•ฝ ๋ˆ„๊ตฐ๊ฐ€๊ฐ€ ํ•ด์ˆ˜๋ฉด์—์„œ ์—๋ฒ ๋ ˆ์ŠคํŠธ์‚ฐ ์ •์ƒ์œผ๋กœ ์ˆœ๊ฐ„ ์ด๋™์„ ํ•œ๋‹ค๋ฉด,
00:11
things would go bad fast.
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์ƒํ™ฉ์€ ์ˆœ์‹๊ฐ„์— ๋‚˜๋น ์งˆ ๊ฒ๋‹ˆ๋‹ค.
00:14
At an altitude of 8,848 meters,
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8,848 ๋ฏธํ„ฐ์˜ ๊ณ ๋„์—์„œ,
00:18
barometric pressure is approximately 33% of what it is at sea level.
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๊ธฐ์••๊ณ„ ์••๋ ฅ์€ ํ•ด์ˆ˜๋ฉด ๋Œ€๋น„ ์•ฝ 33%๊ฐ€ ๋ฉ๋‹ˆ๋‹ค.
00:23
This means there's significantly less oxygen in the air,
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์ด๋Š” ๊ณต๊ธฐ ์ค‘์˜ ์‚ฐ์†Œ๊ฐ€ ํ˜„์ €ํžˆ ์ ์–ด์ง„๋‹ค๋Š” ์˜๋ฏธ์ด๊ณ ,
00:27
and our teleported individual would likely suffocate in minutes.
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์ˆœ๊ฐ„ ์ด๋™ํ•œ ์‚ฌ๋žŒ์€ ๋ช‡ ๋ถ„ ๋‚ด๋กœ ์งˆ์‹์‚ฌํ•  ๊ฒ๋‹ˆ๋‹ค.
00:32
However, for people that make this same journey over the course of a month,
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ํ•˜์ง€๋งŒ, ๋™์ผํ•œ ์—ฌ์ •์„ ํ•œ ๋‹ฌ์— ๊ฑธ์ณ ์ง„ํ–‰ํ•œ ์‚ฌ๋žŒ์€
00:37
it's possible to survive at the peak for hours.
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์ •์ƒ์—์„œ ๋ช‡ ์‹œ๊ฐ„ ์ •๋„๋Š” ์ƒ์กดํ•  ์ˆ˜ ์žˆ์ฃ .
00:40
So what can happen to our bodies in just one month
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๊ณผ์—ฐ ํ•œ ๋‹ฌ ๋งŒ์— ์šฐ๋ฆฌ ๋ชธ์—๋Š” ์–ด๋– ํ•œ ์ผ์ด ์ผ์–ด๋‚˜๊ธธ๋ž˜
00:44
that allows us to endure this incredible altitude?
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์ด ์ •๋„๋กœ ๋†’์€ ๊ณ ๋„์—์„œ ๋ฒ„ํ‹ธ ์ˆ˜ ์žˆ๊ฒŒ ๋˜๋Š” ๊ฑธ๊นŒ์š”?
00:47
Letโ€™s imagine youโ€™re one of the 5.8 billion people
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์—ฌ๋Ÿฌ๋ถ„์ด ํ•ด๋ฐœ 500 ๋ฏธํ„ฐ๋ณด๋‹ค ๋‚ฎ์€ ๊ณณ์—์„œ ์‚ฌ๋Š”
00:51
living less than 500 meters above sea level.
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58์–ต ๋ช…์˜ ์ธ๊ตฌ ์ค‘ ํ•œ ๋ช…์ด๋ผ๊ณ  ๊ฐ€์ •ํ•ด ๋ด…์‹œ๋‹ค.
00:55
When you take a breath at this altitude,
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์ด ์ •๋„ ๊ณ ๋„์—์„œ ์ˆจ์„ ๋“ค์ด์‰ฌ๋ฉด,
00:58
your lungs fill up with air composed of numerous gases and compounds.
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ํ๋Š” ๋‹ค์–‘ํ•œ ๊ธฐ์ฒด์™€ ํ™”ํ•ฉ๋ฌผ์ด ์„ž์ธ ๊ณต๊ธฐ๋กœ ๊ฐ€๋“ ์ฐจ๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
01:02
Most important among these are oxygen molecules,
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์ด๋“ค ์ค‘ ๊ฐ€์žฅ ์ค‘์š”ํ•œ ๊ฒƒ์€ ์‚ฐ์†Œ ๋ถ„์ž๋“ค๋กœ,
01:06
which bind to the hemoglobin in your red blood cells.
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์‚ฐ์†Œ ๋ถ„์ž๋Š” ์ ํ˜ˆ๊ตฌ ๋‚ด์˜ ํ—ค๋ชจ๊ธ€๋กœ๋นˆ๊ณผ ๊ฒฐํ•ฉํ•ฉ๋‹ˆ๋‹ค.
01:09
Blood then circulates throughout your body,
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๊ทธ ๋‹ค์Œ, ํ˜ˆ์•ก์€ ๋ชธ ์ „์ฒด๋ฅผ ์ˆœํ™˜ํ•˜๋ฉด์„œ
01:12
bringing essential oxygen to all your cells.
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๋ชจ๋“  ์„ธํฌ์— ํ•„์ˆ˜์ ์ธ ์‚ฐ์†Œ๋ฅผ ๊ณต๊ธ‰ํ•ฉ๋‹ˆ๋‹ค.
01:14
But as altitude increases, the air starts to get thinner.
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ํ•˜์ง€๋งŒ ๊ณ ๋„๊ฐ€ ๋†’์•„์ง์— ๋”ฐ๋ผ, ์‚ฐ์†Œ๋Š” ํฌ๋ฐ•ํ•ด์ง€๊ธฐ ์‹œ์ž‘ํ•ฉ๋‹ˆ๋‹ค.
01:19
The relative amounts of each compound remain the same
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๊ฐ ํ™”ํ•ฉ๋ฌผ์ด ์ฐจ์ง€ํ•˜๋Š” ๋น„์ค‘์€
๋†’์€ ๊ณณ์˜ ๊ณต๊ธฐ์—์„œ๋„ ๋™์ผํ•˜์ง€๋งŒ,
01:22
well into the upper atmosphere,
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01:24
but overall, there is less oxygen for our bodies to absorb.
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๊ฒฐ๊ตญ ์ „๋ฐ˜์ ์œผ๋กœ ์šฐ๋ฆฌ ๋ชธ์ด ํก์ˆ˜ํ•  ์‚ฐ์†Œ์˜ ์–‘์€ ์ค„์–ด๋“ค๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
01:29
And if you ascend to altitudes above 2,500 meters,
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ํ•ด๋ฐœ 2,500 ๋ฏธํ„ฐ๋ณด๋‹ค ๋†’์ด ์˜ฌ๋ผ๊ฐ„๋‹ค๋ฉด
01:34
the resulting oxygen deprivation can cause a form of altitude sickness
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์‚ฐ์†Œ ๋ถ€์กฑ์˜ ๊ฒฐ๊ณผ๋กœ ๊ณ ์‚ฐ๋ณ‘์˜ ์ผ์ข…์ธ
01:39
known as AMS,
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๊ธ‰์„ฑ ๊ณ ์‚ฐ๋ณ‘(AMS)์ด ์ผ์–ด๋‚˜
01:41
often causing headaches, fatigue and nausea.
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ํ”ํžˆ ๋‘ํ†ต, ํ”ผ๋กœ, ๊ตฌ์—ญ๊ฐ์ด ์œ ๋ฐœ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
01:45
Fortunately, AMS only happens when we ascend too fast,
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๋‹คํ–‰ํžˆ๋„, ๊ธ‰์„ฑ ๊ณ ์‚ฐ๋ณ‘์€ ์šฐ๋ฆฌ๊ฐ€ ๋„ˆ๋ฌด ๋น ๋ฅด๊ฒŒ ์˜ฌ๋ผ๊ฐˆ ๋•Œ๋งŒ ๋ฐœ์ƒํ•˜๋Š”๋ฐ
01:50
because our bodies have numerous ways of adapting to high altitudes.
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์šฐ๋ฆฌ ๋ชธ์—๋Š” ๋†’์€ ๊ณ ๋„์— ์ ์‘ํ•˜๋Š” ๋‹ค์–‘ํ•œ ๋ฐฉ๋ฒ•์ด ์žˆ๊ธฐ ๋•Œ๋ฌธ์ด์ฃ .
01:55
Within minutes or even seconds of reaching altitudes of 1,500 meters,
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ํ•ด๋ฐœ 1,500 ๋ฏธํ„ฐ์— ๋„๋‹ฌํ•˜๋ฉด ์ˆ˜ ์ดˆ์—์„œ ์ˆ˜๋ถ„ ๋‚ด๋กœ
02:01
carotid chemoreceptors in your neck sense your bloodโ€™s low oxygen pressure.
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๋ชฉ ์•ˆ์˜ ๊ฒฝ๋™๋งฅ ํ™”ํ•™ ์ˆ˜์šฉ์ฒด์—์„œ ํ˜ˆ์•ก์˜ ์‚ฐ์†Œ์••์ด ๋‚ฎ์•„์ง์„ ๊ฐ์ง€ํ•ฉ๋‹ˆ๋‹ค.
02:06
This triggers a response that increases the rate and depth of your breathing
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์ด์— ๋Œ€ํ•œ ๋ฐ˜์‘์œผ๋กœ ์—ฌ๋Ÿฌ๋ถ„์˜ ํ˜ธํก์€ ๋” ๊นŠ์–ด์ง€๊ณ  ๋นจ๋ผ์ง€๋ฉด์„œ
02:11
to counteract the lack of oxygen.
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์‚ฐ์†Œ ๋ถ€์กฑ์— ๋Œ€์‘ํ•ฉ๋‹ˆ๋‹ค.
02:14
Your heart rate also increases
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์‹ฌ์žฅ ๋ฐ•๋™์ˆ˜ ์—ญ์‹œ ์ฆ๊ฐ€ํ•˜๊ณ 
02:16
and your heart contracts more tightly to pump additional blood with each beat,
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ํ•œ ๋ฐ•๋™์— ๋งŽ์€ ํ˜ˆ์•ก์„ ํผ์˜ฌ๋ฆฌ๊ธฐ ์œ„ํ•ด ๋” ๊ฐ•ํ•˜๊ฒŒ ์ˆ˜์ถ•ํ•˜๋ฉด์„œ
02:21
quickly moving oxygenated blood around your body.
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์‚ฐ์†Œํ™”๋œ ํ˜ˆ์•ก์„ ๋ชธ ์ „์ฒด์— ๋น ๋ฅด๊ฒŒ ๊ณต๊ธ‰ํ•ฉ๋‹ˆ๋‹ค.
02:25
All these changes happen relatively fast, and if you were to keep ascending,
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์ด๋Ÿฌํ•œ ๋ชจ๋“  ๋ณ€ํ™”๋“ค์€ ๋น„๊ต์  ๋น ๋ฅด๊ฒŒ ์ผ์–ด๋‚˜๊ณ , ๊ณ„์† ์œ„๋กœ ์˜ฌ๋ผ๊ฐ„๋‹ค๋ฉด
02:30
your heart rate and breathing would speed up accordingly.
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์‹ฌ์žฅ ๋ฐ•๋™์ˆ˜์™€ ํ˜ธํก์€ ๊ทธ์— ๋”ฐ๋ผ ๋นจ๋ผ์งˆ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
02:34
But if you stayed at this altitude for several weeks,
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ํ•˜์ง€๋งŒ ์ด ๊ณ ๋„์—์„œ ๋ช‡ ์ฃผ๊ฐ„ ๋จธ๋ฌด๋ฅธ๋‹ค๋ฉด,
02:37
you could reap the benefits of some longer-term adaptations.
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๊ธด ์ ์‘ ๊ธฐ๊ฐ„์ด ์ฃผ๋Š” ๋ช‡ ๊ฐ€์ง€ ํ˜œํƒ์„ ๋ˆ„๋ฆด ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
02:42
Within the first few days above 1,500 meters,
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ํ•ด๋ฐœ 1,500 ๋ฏธํ„ฐ ์ด์ƒ์—์„œ์˜ ์ฒซ ๋ฉฐ์น  ๋™์•ˆ์—๋Š”
02:46
the volume of plasma in your blood decreases,
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ํ˜ˆ์•ก ๋‚ด ํ˜ˆ์žฅ ์šฉ๋Ÿ‰์ด ๊ฐ์†Œํ•˜๋Š”๋ฐ,
02:49
which increases the concentration of hemoglobin.
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์ด๊ฒƒ์€ ํ—ค๋ชจ๊ธ€๋กœ๋นˆ์˜ ๋†๋„๋ฅผ ์ฆ๊ฐ€์‹œํ‚ต๋‹ˆ๋‹ค.
02:53
Over the next two weeks, your hemoglobin levels will continue to rise,
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๊ทธ ๋‹ค์Œ 2์ฃผ ๋™์•ˆ, ์—ฌ๋Ÿฌ๋ถ„์˜ ํ—ค๋ชจ๊ธ€๋กœ๋นˆ ์ˆ˜์น˜๋Š” ๊ณ„์† ์ƒ์Šนํ•˜์—ฌ
02:57
allowing your blood to carry even more oxygen per milliliter.
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ํ˜ˆ์•ก 1๋ฐ€๋ฆฌ๋ฆฌํ„ฐ์— ๋” ๋งŽ์€ ์‚ฐ์†Œ๋ฅผ ์šด๋ฐ˜ํ•  ์ˆ˜ ์žˆ๊ฒŒ ํ•ฉ๋‹ˆ๋‹ค.
03:02
Paired with your high heart rate,
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๋†’์•„์ง„ ์‹ฌ์žฅ ๋ฐ•๋™์ˆ˜์™€ ํ•จ๊ป˜,
03:04
this new hemoglobin-rich blood efficiently distributes oxygen throughout your body.
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์ด๋ ‡๊ฒŒ ํ—ค๋ชจ๊ธ€๋กœ๋นˆ์œผ๋กœ ๊ฐ€๋“ํ•œ ํ˜ˆ์•ก์€ ๋ชธ์— ์‚ฐ์†Œ๋ฅผ ํšจ์œจ์ ์œผ๋กœ ๋ถ„๋ฐฐํ•ฉ๋‹ˆ๋‹ค.
03:09
So much so that the volume of blood being pumped with each heartbeat
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์ด๋Ÿฌํ•œ ๊ณผ์ •์„ ๊ฑฐ์ณ ํ•œ ๋ฐ•๋™๋งˆ๋‹ค ํผ์˜ฌ๋ ค์ง€๋Š” ํ˜ˆ์•ก์˜ ์–‘์ด
03:13
can return to normal levels.
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์ •์ƒ ๋ฒ”์œ„๋กœ ๋Œ์•„์˜ฌ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
03:15
Over this same time, your breathing also increases even further
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๊ฐ™์€ ๊ธฐ๊ฐ„ ๋™์•ˆ, ํ˜ธํก๋Ÿ‰ ๋˜ํ•œ ์ „๋ณด๋‹ค ๋” ์ฆ๊ฐ€ํ•˜๋Š”๋ฐ
03:20
in a process called ventilatory acclimatization.
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์ด๋Š” ๊ณ ๋„์ˆœํ™”๋ผ๋Š” ๊ณผ์ •์„ ํ†ตํ•˜์—ฌ ์ด๋ฃจ์–ด์ง‘๋‹ˆ๋‹ค.
03:23
After this several weeks of extended acclimatization,
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์ด๋ ‡๊ฒŒ ๋ช‡ ์ฃผ๊ฐ„์˜ ์žฅ๊ธฐ ์ ์‘ ๊ธฐ๊ฐ„์„ ๊ฑฐ์น˜๊ณ  ๋‚˜๋ฉด,
03:27
your body has made enough significant changes to climb even higher.
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์šฐ๋ฆฌ ๋ชธ์€ ๋” ๋†’์ด ์˜ฌ๋ผ๊ฐ€๊ธฐ ์œ„ํ•œ ์ค‘์š”ํ•œ ๋ณ€ํ™”๋“ค์„ ๋งˆ์นœ ์ƒํƒœ๊ฐ€ ๋ฉ๋‹ˆ๋‹ค.
03:31
However, youโ€™ll still have to spend additional time acclimating along the way,
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ํ•˜์ง€๋งŒ, ์—ฌ์ „ํžˆ ๋” ๋†’์ด ์˜ค๋ฅด๊ธฐ ์ „์— ํšŒ๋ณต์„ ์œ„ํ•ด ๋‚ด๋ ค์™”๋‹ค๊ฐ€
03:36
often climbing back down to recover before ascending even higher.
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๋‹ค์‹œ ์˜ค๋ฅด๋Š” ๋ฐฉ์‹์œผ๋กœ ์ ์‘์— ์‹œ๊ฐ„์„ ์จ์•ผ ํ•ฉ๋‹ˆ๋‹ค.
03:40
Because the summit of Everest isn't just high,
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์—๋ฒ ๋ ˆ์ŠคํŠธ ์‚ฐ์˜ ์ •์ƒ์€ ๊ทธ๋ƒฅ ๋†’์€ ๊ฒŒ ์•„๋‹ˆ๋ผ,
03:43
itโ€™s the highest place on Earth.
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์ง€๊ตฌ์ƒ์—์„œ ๊ฐ€์žฅ ๋†’์€ ์žฅ์†Œ์ด๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.
03:45
And at altitudes above 3,500 meters, our bodies are under incredible stress.
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ํ•ด๋ฐœ 3,500 ๋ฏธํ„ฐ ์ด์ƒ๋ถ€ํ„ฐ๋Š” ์šฐ๋ฆฌ ๋ชธ์ด ์—„์ฒญ๋‚œ ๋ถ€ํ•˜๋ฅผ ๋ฐ›๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
03:52
Arteries and veins in the brain dilate to speed up blood flow,
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๋‡Œ ์†์˜ ๋™๋งฅ๊ณผ ์ •๋งฅ์€ ํ˜ˆ๋ฅ˜ ์†๋„๋ฅผ ๋†’์ด๊ธฐ ์œ„ํ•ด ํŒฝ์ฐฝํ•˜๋Š”๋ฐ,
03:56
But our smallest blood vessels, called capillaries,
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๋ฐ˜๋ฉด ์šฐ๋ฆฌ ๋ชธ์˜ ํ˜ˆ๊ด€ ์ค‘ ๊ฐ€์žฅ ์ž‘์€ ๋ชจ์„ธ ํ˜ˆ๊ด€์€
03:59
remain the same size.
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๊ทธ๋Œ€๋กœ ์œ ์ง€๋ฉ๋‹ˆ๋‹ค.
04:00
This increased pressure can cause blood vessels to leak,
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์ด๋ ‡๊ฒŒ ์ฆ๊ฐ€ํ•œ ์••๋ ฅ์€ ํ˜ˆ๊ด€์„ ์ƒˆ๊ฒŒ ๋งŒ๋“ค๊ณ 
04:04
and fluid to build up in the brain.
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๋‡Œ ๋‚ด ๋ถ€์ข…์„ ์œ ๋ฐœํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
04:07
A similar issue can occur in the lungs,
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์œ ์‚ฌํ•œ ๋ฌธ์ œ๊ฐ€ ํ์—์„œ๋„ ์ผ์–ด๋‚  ์ˆ˜ ์žˆ๋Š”๋ฐ,
04:09
where low oxygen causes blood vessels to constrict,
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์ด๊ณณ์—์„œ์˜ ์‚ฐ์†Œ ๋ถ€์กฑ์€ ํ˜ˆ๊ด€ ์ˆ˜์ถ•์„ ์œ ๋ฐœํ•ด
04:13
leading to more leaking vessels and fluid buildup.
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๋” ๋งŽ์€ ํ˜ˆ๊ด€์„ ์ƒˆ๊ฒŒ ํ•˜๊ณ  ํ์— ๋ถ€์ข…์„ ์ผ์œผํ‚ต๋‹ˆ๋‹ค.
04:16
These two conditionsโ€” known as HACE and HAPE, respectivelyโ€”
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๊ฐ๊ฐ ๊ณ ์†Œ๋‡Œ๋ถ€์ข…(HACE)๊ณผ ๊ณ ์†Œํ๋ถ€์ข…(HAPE)์œผ๋กœ ๋ถˆ๋ฆฌ๋Š”
04:21
are incredibly rare,
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์ด๋“ค์˜ ๋ฐœ๋ณ‘๋ฅ ์€ ๋งค์šฐ ํฌ๋ฐ•ํ•˜์ง€๋งŒ,
04:22
but can be life-threatening if not dealt with quickly.
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๋น ๋ฅด๊ฒŒ ์กฐ์น˜๋˜์ง€ ์•Š์œผ๋ฉด ์ƒ๋ช…์„ ์œ„ํ˜‘ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
04:25
Some Tibetans and South Americans with family histories
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๊ณ ์‚ฐ ์ง€๋Œ€์—์„œ ์ƒํ™œํ•œ ๊ฐ€์กฑ๋ ฅ์ด ์žˆ๋Š”
์ผ๋ถ€ ํ‹ฐ๋ฒ ํŠธ ๋˜๋Š” ๋‚จ์•„๋ฉ”๋ฆฌ์นด ์‚ฌ๋žŒ๋“ค์€
04:29
of living at high altitude
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04:31
have genetic advantages that can prevent minor altitude sickness,
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์œ ์ „์ ์œผ๋กœ ๊ฐ€๋ฒผ์šด ๊ณ ์‚ฐ๋ณ‘์—๋Š” ๋‚ด์„ฑ์„ ๊ฐ€์ง€๊ณ  ์žˆ์ง€๋งŒ,
04:35
but even they arenโ€™t immune to these severe conditions.
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์ด๋ ‡๊ฒŒ ์‹ฌ๊ฐํ•œ ์ƒํƒœ์—๊นŒ์ง€ ๋ฉด์—ญ์„ ๊ฐ€์ง„ ๊ฒƒ์€ ์•„๋‹™๋‹ˆ๋‹ค.
04:38
Yet despite these risks, climbers over the last century
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์ด๋Ÿฌํ•œ ์œ„ํ—˜๋“ค์—๋„, ์ง€๋‚œ ์„ธ๊ธฐ ๋™์•ˆ ๋“ฑ๋ฐ˜๊ฐ€๋“ค์€
04:42
have proved people can go higher than scientists ever thought possible.
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์ธ๊ฐ„์ด ๊ณผํ•™์ž๋“ค์˜ ์ƒ๊ฐ๋ณด๋‹ค ๋” ๋†’์ด ์˜ฌ๋ผ๊ฐˆ ์ˆ˜ ์žˆ์Œ์„ ์ฆ๋ช…ํ–ˆ์Šต๋‹ˆ๋‹ค.
04:47
Pushing past their bodyโ€™s limitations,
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์‹ ์ฒด์  ํ•œ๊ณ„๋ฅผ ๊ทน๋ณตํ•˜๋ฉด์„œ,
04:49
these climbers have redefined what humanity can adapt to.
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๋“ฑ๋ฐ˜๊ฐ€๋“ค์€ ์ธ๋ฅ˜๊ฐ€ ์–ด๋””๊นŒ์ง€ ์ ์‘ํ•  ์ˆ˜ ์žˆ๋Š”์ง€๋ฅผ ์žฌ์ •๋ฆฝํ•ด ์™”์Šต๋‹ˆ๋‹ค.
์ด ์›น์‚ฌ์ดํŠธ ์ •๋ณด

์ด ์‚ฌ์ดํŠธ๋Š” ์˜์–ด ํ•™์Šต์— ์œ ์šฉํ•œ YouTube ๋™์˜์ƒ์„ ์†Œ๊ฐœํ•ฉ๋‹ˆ๋‹ค. ์ „ ์„ธ๊ณ„ ์ตœ๊ณ ์˜ ์„ ์ƒ๋‹˜๋“ค์ด ๊ฐ€๋ฅด์น˜๋Š” ์˜์–ด ์ˆ˜์—…์„ ๋ณด๊ฒŒ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๊ฐ ๋™์˜์ƒ ํŽ˜์ด์ง€์— ํ‘œ์‹œ๋˜๋Š” ์˜์–ด ์ž๋ง‰์„ ๋”๋ธ” ํด๋ฆญํ•˜๋ฉด ๊ทธ๊ณณ์—์„œ ๋™์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค. ๋น„๋””์˜ค ์žฌ์ƒ์— ๋งž์ถฐ ์ž๋ง‰์ด ์Šคํฌ๋กค๋ฉ๋‹ˆ๋‹ค. ์˜๊ฒฌ์ด๋‚˜ ์š”์ฒญ์ด ์žˆ๋Š” ๊ฒฝ์šฐ ์ด ๋ฌธ์˜ ์–‘์‹์„ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์˜ํ•˜์‹ญ์‹œ์˜ค.

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