How can the hormone adrenaline that does not act directly on the brain have a regulatory effect on brain function?
肾上腺素不直接作用于大脑，怎么会对大脑功能产生调节作用呢？
Since one consequence of adrenaline release in an animal is an increase in blood glucose levels, we examined the effects of glucose on memory in rats.
由于肾上腺素在动物体内释放的结果之一是血糖水平的升高，我们检查了葡萄糖对大鼠记忆的影响。
That was my first big game in months and the adrenaline was going.
那是我数月来第一场大赛，非常兴奋。
"Cortisol and adrenaline go up and down," he said.
“皮质醇和肾上腺素升高和降低，”他说。
The constant surge of adrenaline is hard on our bodies.
不断激增的肾上腺素对我们的身体来说难以应付。
Once we jumped into the water, adrenaline took over.
当我们一跳入水中，一阵兴奋随之而来。
The adrenal gland dumps cortisol and adrenaline into the blood stream.
肾上腺分泌大量的皮质醇和肾上腺素进入血液。
Q: What exactly happens in the heart when it's flooded with too much adrenaline?
问：当过量的肾上腺激素涌入心脏的时候，心脏中到底发生了什么情况？
"If I just wanted an adrenaline rush, I could jump out of an aeroplane," he said.
“如果这只是我的一时亢奋的话，我可以从飞机上跳下去，”他说道。
With a burst of adrenaline, Endris thrust his head above the surface, gasping for air.
随着肾上腺素的爆发，Endris努力使头浮出水面，呼吸空气。
A hole is cut in the ice to expose enough water for adrenaline junkies to dive into.
在冰面上凿开一个洞，为那些“冬泳迷”们开拓出足够的水域来畅游一番。
The adrenaline of that June night gave him an edge, but it didn't turn him into the Incredible Hulk.
6月的那个夜晚，肾上腺激素让他达到了极限，但并没有把他变成“绿巨人”。
FOR sheer adrenaline, the new computer game "foldit", does not match the likes of "Grand Theft Auto IV".
纯粹从惊险程度(让人肾上腺素分泌多寡)讲，新的电子游戏“foldit”比不上“侠盗飞车IV”那一类游戏。
It is far from clear how strongly the economy will grow when the adrenaline of stimulus is withdrawn.
当刺激计划退出之后，经济增长的势头又会如何，这一点还远远不清楚。
Both Tim and Chris had been out there long enough that any naive desire to chase adrenaline was long gone.
蒂姆和克里斯两个人都在那里呆了足够久的时间，那种追求刺激的天真想法早就不存在了。
Physical exertion too close to bedtime energizes your body’s systems by stimulation the release of adrenaline.
临睡前的剧烈活动会刺激肾上腺素的释放，从而使身体充满活力。
Young relationships start out with an adrenaline rush. Your heart RACES, you get giddy, you're alert, awake and excited.
当一段新的恋情开始时，你总会感觉到肾上腺素的飙升，此时你心跳加速，头晕目眩，你变得清醒，机敏和兴奋。
This alarm sends a signal to your adrenal glands to release a surge of stress hormones, including adrenaline and cortisol.
这个警报传递出一个信号给肾上腺使其释放出大量的应激激素，包括肾上腺素和皮质醇。
When I look at even the most recent dictionaries I am told that adrenaline is a synonym for epinephrine [ep-in-eph-rin].
在查过一些最新出版的词典以后，我仍然只读到adrenaline是epinephrine [ep - in - eph - rin]的同义词。
Irregular sleep patterns boost adrenaline levels, causing blood pressure to rise - which is a big risk factor for heart attacks.
不规律的睡眠会增加肾上腺素的分泌，导致血压升高——这是心脏病的一大诱因。
It releases adrenaline and can interfere with sleep, increase tension, and decrease the immune systems ability to protect the body.
它会释放肾上腺素，可以干扰睡眠，增强紧张感和降低免疫系统保护人体的能力。
Breathing deeply allows your body to fill with oxygen. This will stop the adrenaline rush that floods your body when you are angry.
深呼吸有助于增加你吸入的氧气量，有助于阻止你发怒时肾上腺素的增加。
As you learned from the experimenter after it was finished, you were actually given a shot of adrenaline, not a vitamin preparation.
正如你事后从实验者那了解到的那样，你实际上被注射了肾上腺素而不是维他命。
Instead, it is typically triggered by acute emotion or physical trauma that releases a surge of adrenaline that overwhelms the heart.
相反，它通常由剧烈的情感或身体外伤引发，患者肾上腺素水平骤然升高，心脏不堪重负。
Many also gravitate toward adrenaline-charged jobs as day traders, test pilots, brain surgeons and bomb defusers, some studies find.
有研究发现，很多人还倾向于选择日内短线交易员、试飞员、脑外科医生和拆弹专家等刺激肾上腺素的工作。
When we're confronted with danger, epinephrine (adrenaline) starts pumping, the heart speeds up, blood pressure increases, breathing quickens.
当我们遭遇危险时，肾上腺素就会大量分泌，心跳加速，血压升高，呼吸变快。
"You hear 'Action!' and your adrenaline gets going a bit, and then you just hope you don't mess up when the camera comes around," Airman Dunk said.
“你只听一声‘开拍’，然后你肾上腺素的水平马上就升高一点儿，随后你就期望当摄像机过来的时候你不会把事情搞砸，”敦克下士说。
Every time I hear the last call before the show starts, I feel the adrenaline start to pump, probably like how a horse feels before it starts a race.
每当我听到表演开始之前的最后通报，就会觉得肾上腺素开始分泌，大概是像马在比赛开始之前的那种感觉吧。
Every time I hear the last call before the show starts, I feel the adrenaline start to pump, probably like how a horse feels before it starts a race.
每当我听到表演开始之前的最后通报，就会觉得肾上腺素开始分泌，大概是像马在比赛开始之前的那种感觉吧。
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