Class notes
Need to check your lab answers on arterial pressure?
- Course
- Bio 12
- Institution
- Saddleback College
The first recorded attempt to measure blood pressure was made in 1733 by the Englishman, Stephen Hales. He inserted a small brass tube into the aorta of a horse. To this brass tube, he inserted a long piece of glass tubing. Hales found that the height of the column of blood that rose in the glass t...
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