Popular Lectures
章节目录
共 23 段- In July 1798, he began his Tour to the Highlands, an account
- Among the solid parts of the human frame the bones stand
- But though air is so much lighter than water, yet, because i
- From the left ventricle of the heart there issues another la
- That the blood contains iron, may be proved by various exper
- We have now seen how the process of digestion is performed,
- Sensation likewise depends, in a great measure, on the state
- Nature designed this difference of tastes that we might know
- These vibrations in the sounding body will cause undulations
- The force of sound is increased by the reflection of many bo
- The disputes concerning the theory of vision had very much d
- Other objects at the same distance from the eyes, as that to
- When we examine the human body, the most curious and unaccou
- Besides the stimulants which I have mentioned, there are sev
- We may carry this illustration still further, and suppose th
- From what has been already shown, it must be evident that if
- Having examined the effect of heat, in producing inflammator
- Instead of rising from table after dinner, and availing them
- If knowledge of this kind were generally diffused, people wo
- We have seen then, that by the theory which has been unfolde
- If then the passions are so necessary to the support of the
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