Phrase by 'August Krogh'

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In the numerous observations made in my laboratory upon this object, we have only once seen a combination of vessels in which there might be a direct communication between a small artery and a vein, though the two observers could not come to a final conclusion on the point.

Author: August Krogh - Danish Scientist
  Two , Only , Small , Communication , Laboratory


In the tissues generally, and in such a cavity as the abdomen, the pressure is everywhere and practically always very nearly atmospheric, and must be so, because the integuments give way very easily to any excess of pressure, whether positive or negative.

Author: August Krogh - Danish Scientist
  Way , Positive , Pressure , Negative


In many cases of inflammation, the vascular changes develop slowly and long after the application of the stimulus which is responsible for the inflammatory reaction.

Author: August Krogh - Danish Scientist
  Long , Reaction , Changes , Responsible


In man, the mechanical breathing is essential to life, and it is one of the old tests for death to see whether these movements have ceased completely.

Author: August Krogh - Danish Scientist
  Life , See , Man , Death


In many organisms, including man, the mechanical respiration and the circulation of the blood are 'regulated' so as to correspond to the demand of the moment.

Author: August Krogh - Danish Scientist
  Moment , Man , Blood , Mechanical


There can be little doubt that fishes swimming rapidly do not make respiratory movements at all, but obtain the necessary ventilation of the gills simply by opening the mouth.

Author: August Krogh - Danish Scientist
  Swimming , Opening , Doubt , Mouth


The respiratory mechanisms of birds are definitely adapted to the function of flight, as evidenced by the fact that birds which do not fly (Apteryx, Penguins) show these adaptations in a greatly reduced form.

Author: August Krogh - Danish Scientist
  Show , Fly , Birds , Flight


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