Mm-hmm

... and they clog with plaque, sometimes it happens over decades, and sometimes people can have this developing in their arteries, and they don't feel any symptoms from it.

Just like a house that is built in the 1930s, right? And it can start developing rust in the pipes in the 1950s and '60s.

You don't know about it 'cause the pipes work.

But then, you know, as the house gets a little older, you start noticing when, when, when the pipes start clogging up.

So the oxygen requires, or the muscles require oxygen to work, right? Not necessarily to contract, but they, as you know, remembering from medical school, the, you know...

But, but, f- but they require mu- they require oxygen to relax.

Yes.