Lub Dub
"The first heart sound or "lub" results from closure of the tricuspid and mitral valves. It is a rather low-pitched and a relatively long sound which, as indicated in, represents the beginning of ventricular systole. The second heart sound, or "dub," marks the beginning of ventricular diastole. It is produced by closure of the aortic and pulmonary (pulmonic) semilunar vanes when the intraventricular pressure begins to fall. This "dub" sound is typically heard as a sharp snap because the semilunar valves tend to close much more rapidly than the AV valves. Because diastole occupies more time than systole, a brief pause occurs after the second heart sound when the heart is beating at a normal rate. Therefore, the pattern that one hears is one of: "lub-dub" pause, "lub-dub" pause, and so on. Sometimes, especially in young normal individuals, a third heart sound can be heard. This sound is produced by the very rapid influx of blood into the partially filled ventricle. It is typically very faint and as such difficult to hear" Reference: http://www.jdaross.cwc.net/normal_heart_sounds.htm
The Urban Dictionary Mug
Gave it to my nerd brother. He used it consume liquid
Looks great! Came quick
Perfect gift for my gf
Good quality ceramic cup! Worth the novelty price!
as a fan of non-Z-generation-UD (since 2000 more or less) , especially of old-school definitions ("phat!") (as Nick, the more time passes by, the more I reach my inner age = 75 XD) , I totally appreciated the delivery in time for Christmas! (whispering) Perhaps printing quality in the Spain printing company is not as good as in the US, but - hey! - I got it before Christmas as a gift for my thank-God-non-Gen-Z-sister! ;) hugs from the eighties, and from Italy, and thanks! Mario
Too inappropriate
Looked great, came earlier than expected, and in perfect condition!
i am literally shitting literal bricks please help my asshole is on fire
It came faster than I thought it would and it looks great!
It came faster than I thought it would and it looks great!
Got exactly what I wanted. Very happy with my mug.
epic
Every Aspect of my Order (as First-Time customer) was actually very good, nice. .I ordered a white drinking mug with a Red background with text. would recommend this Site again.
Like the mug for my daughter, but didn’t notice that I had color choices when checking out. The yellow was pre-set so I got that color. Would much rather have selected a different color.
so cool! u can make sarcastic stuff too. i put: sarcasm: being an absolute asshole
the photo is all you need to know.
The description of a person by their names is the realest I’ve ever come across
It was a really good hoe mug!!!!!
Exactly what I was hoping for! Great product
very good quality, wasn’t broken or anything and was a good gag gift !
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