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Who said: “Every body perseveres in its state of being at rest or of moving uniformly straight forward, except insofar as it is compelled to change its state by forces impressed.”
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Home > Category Index for Science Quotations > Category Index A > Category: Aorta

Aorta Quotes (2 quotes)

Having made a sufficient opening to admit my finger into the abdomen, I passed it between the intestines to the spine, and felt the aorta greatly enlarged, and beating with excessive force. By means of my finger nail, I scratched through the peritoneum on the left side of the aorta, and then gradually passed my finger between the aorta and the spine, and again penetrated the peritoneum, on the right side of the aorta. I had now my finger under the artery, and by its side I conveyed the blunt aneurismal needle, armed with a single ligature behind it...
Describing the first ligation of the aorta in 1817 for left femoral aneurysm.
Frederick Tyrell (Ed.), 'Lecture 15, On the Operation for Aneurism', The Lectures of Sir Astley Cooper (1824), Vol. 2, 58.
Science quotes on:  |  Operation (118)

The biggest animal that has ever lived on our planet: a blue whale. … It’s far bigger than even the biggest dinosaur. Its tongue weighs as much as an elephant. Its heart is the size of a car. And some of its blood vessels are so wide that you could swim down them.
Narration from 'Introduction' of the BBC TV series The Blue Planet (2001), Ep. 1. Text accompanies 'Blue whale breach', video clip on BBC website.
Science quotes on:  |  Animal (356)  |  Big (48)  |  Blood (104)  |  Blue Whale (2)  |  Car (27)  |  Dinosaur (23)  |  Elephant (22)  |  Heart (139)  |  Live (269)  |  Planet (262)  |  Size (60)  |  Swim (16)  |  Tongue (19)  |  Vessel (28)  |  Weigh (14)


Carl Sagan Thumbnail In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion. (1987) -- Carl Sagan
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- 90 -
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- 70 -
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- 40 -
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- 30 -
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