- Me
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- Nov 07, 2020
August Krogh Quotes
Most Famous August Krogh Quotes of All Time!
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- Last Updated on May 30, 2021
- Animals
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- Nov 07, 2020
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.
- Easy
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- Nov 07, 2020
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.
- Muscles
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- Nov 07, 2020
Muscles do not use oxygen at a constant rate.
- Muscle
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- Nov 07, 2020
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.
- Past
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- Nov 07, 2020
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.
- Only
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- Nov 07, 2020
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.
- Heart
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- Nov 07, 2020
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.
- Negative
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- Nov 07, 2020
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.
- Long
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- Nov 07, 2020
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.
- Life
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- Nov 07, 2020
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.
- Circulation
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- Nov 07, 2020
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.
- Fishes
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- Nov 07, 2020
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.
- Flight
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- Nov 07, 2020