Famous Quotes & Sayings

August Krogh Quotes & Sayings

Enjoy the top 20 famous quotes, sayings and quotations by August Krogh.

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Famous Quotes By August Krogh

August Krogh Quotes 812727

The absorption of oxygen and the elimination of carbon dioxide in the lungs take place by diffusion alone. There is no trustworthy evidence of any regulation of this process on the part of the organism. — August Krogh

August Krogh Quotes 1079518

We may fondly imagine that we are impartial seekers after truth, but with a few exceptions, to which I know that I do not belong, we are influenced - and sometimes strongly - by our personal bias; and we give our best thoughts to those ideas which we have to defend. — August Krogh

August Krogh Quotes 1439671

In the giraffe with a total height of 5 m., the heart is at a height of about 2.5 m., and it would be extremely interesting to know just how the giraffe avoids the development of filtration oedema in its long legs. — August Krogh

August Krogh Quotes 1476042

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

August Krogh Quotes 1537288

The most direct evidence of the wonderful plasticity and elasticity of red corpuscles is obtained when they are watched in a current, where they can be caught against a projecting edge and bent by the pressure of the current flowing past them. — August Krogh

August Krogh Quotes 1912303

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. — August Krogh

August Krogh Quotes 2183612

Muscles do not use oxygen at a constant rate. — August Krogh

August Krogh Quotes 88986

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

August Krogh Quotes 1481470

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

August Krogh Quotes 2258995

I found it possible to observe at least the superficial capillaries of muscles both in the frog and in mammals through a binocular microscope, using strong reflected light as a source of illumination. Resting muscles observed in this way are usually quite pale, and the microscope reveals only a few capillaries at fairly regular intervals. — August Krogh

August Krogh Quotes 2197428

The circulatory system of man and the vertebrate animals can be considered as made up of a small number of organs or subordinate systems, which are easy to recognize anatomically, and the functions of which are on the whole quite distinct. — August Krogh

August Krogh Quotes 2095179

For a large number of problems, there will be some animal of choice, or a few such animals, on which it can be most conveniently studied. — August Krogh

August Krogh Quotes 1897777

Since muscular contractions are usually more or less regularly alternated with relaxations, the system of valves makes of the veins of every muscle a very effective pump, capable of maintaining a low pressure in the muscle capillaries. — August Krogh

August Krogh Quotes 1870715

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

August Krogh Quotes 1842841

The theory of the lung as a gland has justified its existence and done excellent service in bringing forward facts, which shall survive any theoretical construction that has been or may hereafter be put upon them. — August Krogh

August Krogh Quotes 1090363

The tremendous honour of the Nobel Prize is of the strongest incentive to me in my work, while the amount of the Prize will greatly simplify my task and provide me with much valuable help in my work. — August Krogh

August Krogh Quotes 1059411

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. — August Krogh

August Krogh Quotes 993139

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

August Krogh Quotes 925395

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

August Krogh Quotes 268824

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. — August Krogh