Well, the blood that flows from your arm into that bag is whole blood, a mixture of cells and cell fragments called formed elements, along with water, and lots of dissolved molecules.

嗯，从你手臂流入袋子液是全，细胞和细胞碎片混合物，称为形成元素，还有水，和许多溶解分子。

Actually, if your coat happens to be made of leather, it is made of collagen. And like a coat, this outer layer is what protects and reinforces the whole blood vessel.

事实上，如果你外套碰巧是皮革制成，它确实是由胶原蛋白制成。就像外套样，外层是保护和强化个东西。

The whole blood bag thing just doesn't make s-- Hold on!

- 个袋事情就是不会 s-- 下！

In 2015, a study was published in PNAS that looked at NAD levels in whole blood over time, and it found indeed, NAD levels were going down about 10 to 20% over four decades or so.

2015年， 项发表在《美国国家科学院院刊》(PNAS)上研究， 对全中NAD水平随时间变化进行了观察，结果确实发现， 在约四十年间， NAD水平下降了大约10%到20%。

Metabolically, it causes our blood sugar to spike. And you a lot hear about people getting insulin-resistant. And it just-it messes up the whole blood sugar dynamic when we consume too much sugar.

在代谢方面，它会导致我们糖飙升。你经常听说人们会产生胰岛素抵抗。当我们摄入过多糖时，它只会扰乱个糖动态。

It still relies on the fact that antibodies and antigens clump together, but it uses a dye that changes color depending on whether it touches whole blood or just plasma.

它仍然依赖于抗体和抗原会聚集在起这事实，但它使用了种会根据接触是全还是仅浆而改变颜色染料。

But if you’re scheduled to donate whole blood—everything, not just the platelets—and you have a headache, no worries!

但是，如果您计划捐献全——切，而不仅仅是小板——而您却头疼， 不用担心！

Whole blood transfusions are often used in more general cases where the clotting property of blood isn’t necessarily the main thing they need.

全输注通常用于更普遍情况，其中液凝特性并非他们所需主要因素。

NMN in raising whole blood NAD levels, but I'm guessing that's probably milligram for milligram, right?

NMN在提高全NAD水平方面，但我想这可能是按毫克对毫克来比较，对吧？