# The Harvard Classics Volume 38 Scientific Papers Physiology Med

Author: Unknown

Genre: Public Domain

Language: English

License: Public domain

Source: Local public-domain TXT source

Amazon editions: https://www.amazon.com/s?k=The+Harvard+Classics+Volume+38+Scientific+Papers+Physiology+Med&tag=cyberlibrar00-20

## Summary

When I first gave my mind to vivisections, as a means of discovering the motions and uses of the heart, and sought to discover these from actual inspection, and not from the writings of others, I found the task so truly arduous, so full of difficulties, that I was almost tempted to think, with Fracastorius, that the motion of the heart was only to be comprehended by God. For I could neither rightly perceive at first when the systole and when the diastole took place, nor when and where dilatation and contraction occurred, by reason of the rapidity of the motion, which in many animals is accomplished in the twinkling of an eye, coming and going like a flash of lightning; so that the systole...

## Chapters

- [Chapter 18](https://www.cyberlibrary.org/en/books/the-harvard-classics-volume-38-scientific-papers-physiology-med-b01b944c/chapters/18/index.md)
- [Chapter 17](https://www.cyberlibrary.org/en/books/the-harvard-classics-volume-38-scientific-papers-physiology-med-b01b944c/chapters/17/index.md)
- [Chapter 11](https://www.cyberlibrary.org/en/books/the-harvard-classics-volume-38-scientific-papers-physiology-med-b01b944c/chapters/11/index.md)
- [Chapter 6](https://www.cyberlibrary.org/en/books/the-harvard-classics-volume-38-scientific-papers-physiology-med-b01b944c/chapters/6/index.md)
- [Chapter 7](https://www.cyberlibrary.org/en/books/the-harvard-classics-volume-38-scientific-papers-physiology-med-b01b944c/chapters/7/index.md)
- [Chapter 9](https://www.cyberlibrary.org/en/books/the-harvard-classics-volume-38-scientific-papers-physiology-med-b01b944c/chapters/9/index.md)
- [Chapter 13](https://www.cyberlibrary.org/en/books/the-harvard-classics-volume-38-scientific-papers-physiology-med-b01b944c/chapters/13/index.md)
- [Chapter 4](https://www.cyberlibrary.org/en/books/the-harvard-classics-volume-38-scientific-papers-physiology-med-b01b944c/chapters/4/index.md)
- [Chapter 16](https://www.cyberlibrary.org/en/books/the-harvard-classics-volume-38-scientific-papers-physiology-med-b01b944c/chapters/16/index.md)
- [Chapter 5](https://www.cyberlibrary.org/en/books/the-harvard-classics-volume-38-scientific-papers-physiology-med-b01b944c/chapters/5/index.md)
- [Chapter 2](https://www.cyberlibrary.org/en/books/the-harvard-classics-volume-38-scientific-papers-physiology-med-b01b944c/chapters/2/index.md)
- [Chapter 15](https://www.cyberlibrary.org/en/books/the-harvard-classics-volume-38-scientific-papers-physiology-med-b01b944c/chapters/15/index.md)
- [Chapter 8](https://www.cyberlibrary.org/en/books/the-harvard-classics-volume-38-scientific-papers-physiology-med-b01b944c/chapters/8/index.md)
- [Chapter 3](https://www.cyberlibrary.org/en/books/the-harvard-classics-volume-38-scientific-papers-physiology-med-b01b944c/chapters/3/index.md)
- [Chapter 10](https://www.cyberlibrary.org/en/books/the-harvard-classics-volume-38-scientific-papers-physiology-med-b01b944c/chapters/10/index.md)
- [Chapter 12](https://www.cyberlibrary.org/en/books/the-harvard-classics-volume-38-scientific-papers-physiology-med-b01b944c/chapters/12/index.md)
- [Chapter 1](https://www.cyberlibrary.org/en/books/the-harvard-classics-volume-38-scientific-papers-physiology-med-b01b944c/chapters/1/index.md)
- [Chapter 14](https://www.cyberlibrary.org/en/books/the-harvard-classics-volume-38-scientific-papers-physiology-med-b01b944c/chapters/14/index.md)