It works only in the veins, where the blood flow is slower.

它只在血液流动较缓的静脉中起作用。

It occurs because blood flow gets reduced in that blood vessel.

它的发生是因为血管中的血流量减少了。

The response is to increase blood flow to the area and increase body heat.

应对方法是增加流向该区域的血流量并升高体温。

Combined with reduced blood flow, neuropathy in the feet increases the chance of foot ulcers and eventual limb amputation.

足部神经病变加上血流量减少，增大了足部溃疡和最终截肢的可能。

When you compress the diaphragm and ribs, full respiration cannot take place, and the blood flow is slowed to your brain and extremities.

当您压缩隔膜和肋骨时，充分的呼吸作用不能发生，并且血液流经您的大脑和四肢的速度会减慢。

Blood vessels in the head tighten to stop the loss of body heat and then relax to let blood flow rise; that sudden rush of blood is what causes the headache.

头部的血管收紧以阻止身体热量的流失，然后放松让血液流动起来，血液的突然涌入是引起头痛的原因。

Massage may help to increase blood flow to specific areas of the body.

按摩也许会帮助加快血液流向身体各个特定部位。

Blood flow can be reduced as blood vessels narrow.

当血管变窄时，血液流动就会减少。

Physical activity can improve blood flow to the brain, fueling memory, attention and creativity, which are essential to learning.

体育活动可以促进血液流向大脑，提高学习必需的记忆力、注意力和创造力。

In studies, he gave subjects a chance to deceive for monetary gain while examining their brains in a functional MRI machine, which maps blood flow to active parts of the brain.

在研究中，他给了受试者一个机会，让他们在功能性核磁共振成像仪中检查大脑时为了金钱利益而欺骗自己，而该仪器可将血液导向大脑的活跃部位。

Boosts blood flow to your brain.

增强血液向大脑的回流，促进血液循环。

A measure of arterial blood flow to the head.

对流向大脑的动脉血的测量。

No blood pressure, no pulse, no oxygen, no blood flow.

没有血压，没有脉搏，没有呼吸，没有血液流动。

Tension and stress restrict blood flow to the head.

紧张与压力会对阻碍血液流向脑部。

Prof.KRAMER: Well, it - certainly, blood flow is important.

教授K：血液流量是很重要的。

FMRI USES a magnetic field to measure blood flow in the brain.

磁共振成像是使用磁场来测量大脑的血流量。

Migraine headaches are caused by abnormal blood flow to the brain.

偏头痛是由于异常的血流量进入大脑引起的。

The blockage in the arteries means that the blood flow is reduced.

动脉中的堵塞意味着血液流动被减少了。

In some cases it may lead to blockages in blood flow and damage to organs.

有些案例中，它可能导致阻塞血液的流动和器官损伤。

And the tunnel people speak of, he says, is lack of blood flow to the eye.

至于人们谈到的隧道，他说，是眼部血液流动缺乏所致。

The brain needs oxygenation to function and this comes from the blood flow.

大脑的运转需要进行氧合作用，而这就需要血流为其输氧。

They discovered a pathway that inhibits nitric oxide and thus impedes blood flow.

他们发现了抑制一氧化氮并阻止血液流动的途径。

This is because it takes time for the body to adjust to the restricted blood flow.

这是因为身体需要时间进行调整以适应被阻碍的血液流动。

A teaspoon of cayenne pepper is said to spur blood flow and add warmth to the body.

在热水中加一茶匙辣椒据说能促进血液循环、让身体暖和起来。

Experts believe tobacco smoke may disrupt blood flow in the small vessels of the ear.

专家认为吸烟可能会扰乱耳小血管的血液流动。

Sounds like blood flow, which could make a shirt a 24-hour blood-pressure monitor.

比如血液流动的声音就能让这种衣服24小时监测血压变化。

The authors think that it works by reducing brain inflammation and boosting blood flow.

论文作者认为，产生效果的机理是通过减少脑部炎症和增加血液流动。

There are still many unknowns about how blood flow in the brain corresponds to behavior.

但在脑部血流量如何与行为产生联系的问题上，仍有许多未解之谜。

Flavonols seem to ease inflammation, opening blood vessels and improving blood flow.

黄酮类化合物可以缓和炎症，疏通血管和促进血液流动。