Barrier - Biology

Biology

  • Blood–brain barrier

Read more about this topic:  Barrier

Famous quotes containing the word biology:

    Nothing can be more incorrect than the assumption one sometimes meets with, that physics has one method, chemistry another, and biology a third.
    Thomas Henry Huxley (1825–95)

    The “control of nature” is a phrase conceived in arrogance, born of the Neanderthal age of biology and the convenience of man.
    Rachel Carson (1907–1964)