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. August Krogh applicationcasedevelop Change image and share on social
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. August Krogh doubtfishgill Change image and share on social
It is no doubt technically possible to study metabolism and respiration of fishes during swimming at a constant rate, and of certain insects and birds during flight, and to obtain information similar to that obtained on man during work on a bicycle ergometer or a treadmill. August Krogh bicyclebirdconstant share on social
Muscles do not use oxygen at a constant rate. August Krogh constantmuscleoxygen Change image and share on social
The affinity of blood or pure haemoglobins for oxygen is a complex phenomenon, depending upon a number of conditions, the most important of which are temperature and hydrogen ion concentration. August Krogh affinitybloodcomplex Change image and share on social
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. August Krogh abdomenatmosphericcavity share on social
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. August Krogh breatheceasecompletely Change image and share on social
