Explore popular quotes and sayings by Herbert Spencer Jennings.
Last updated on December 22, 2024.
Herbert Spencer Jennings was an American zoologist, geneticist, and eugenicist. His research helped demonstrate the link between physical and chemical stimulation and automatic responses in lower orders of animals.
A cell of a higher organism contains a thousand different substances, arranged in a complex system. This great organized system was not discovered by chemical or physical methods; they are inadequate to its refinement and delicacy and complexity.