The group also notes that radiation can cause heart rhythm disorders and structural damage in blood vessels and heart valves.

美国协会还指出，辐射可能导致律失常和血管和瓣结构损伤。

What you're really hearing there are the person's heart valves opening and closing.

你真正听到人瓣打开和关闭。

Uh, so Naomi's heart valve...wh-what does this mean?

哦，那 Naomi 瓣...什么意思？

Pig heart valves have been used successfully for many years in humans.

猪瓣已被成功用于人类疗很多年了。

I had an operation to fix a valve in my heart.

我做了一个手术来固定我瓣。

The heart surgery to correct a flawed valve was a resounding success.

修复有缺陷瓣手术取得了巨大成功。

We also remember that the semilunar valves, which are the valves that guard the arteries leaving the heart, are closed at this time.

我们还记得半月瓣，它保护离开动脉瓣，此时已关闭。

In fact, when a human heart has problems with its heart valves, sometimes pig or cow valves are used to replace the valve!

事实上， 当人类瓣出现问题时，有时会使用猪或牛瓣来代替瓣！

Now the heart is positioned in such a way that the sound of the closing of each of these valves is projected onto a small area on the chest wall.

现在每个瓣关闭声音被投射到胸壁小范围位置上。

So, the next time you hear the familiar 'lub-dub, lub-dub' of your heartbeat, you can think about the valves of your heart at work.

因此，下次您听到跳熟悉" lub-dub，lub-dub" 时，您可以考虑一下工作中瓣。

So yeah, if your cuddle buddy causes you to have some intense feelings or emotions, they just might be able to toggle the switch on your heart valve too!

所以， ， 如果你拥抱伙伴让你产生一些强烈感觉或情绪，他们也可能能够打开你瓣开关！

This whole double-loop cycle plays out like a giant figure eight — heart to lung to heart to body to heart again — and runs off that constant high-pressure, low-pressure gradient exchange regulated by the heart valves.

整个双环循环就像一个巨大数字 8——到肺到到身体再到——通过瓣调节恒定高压和低压梯度交换运行。