First Book in Physiology: For the Use of Schools |
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Page 9
... example , it is a machine that walks , walking is not the only thing that it does . It is not like the locomotive , that does nothing but draw cars . It can perform a great variety of motions besides walking . It can run , jump , leap ...
... example , it is a machine that walks , walking is not the only thing that it does . It is not like the locomotive , that does nothing but draw cars . It can perform a great variety of motions besides walking . It can run , jump , leap ...
Page 15
... example , in the leg and arm they are long and slender , while in the head they make a box to hold the brain . They vary much in size also . 3. The bones are composed partly of mineral and partly of animal substance . When you see a ...
... example , in the leg and arm they are long and slender , while in the head they make a box to hold the brain . They vary much in size also . 3. The bones are composed partly of mineral and partly of animal substance . When you see a ...
Page 18
... examples of muscular action will be sufficient for the present . In some of the succeeding chapters you will see examples of other ways in which the muscles operate ; and , in the chapter on the muscles , the many various ways in which ...
... examples of muscular action will be sufficient for the present . In some of the succeeding chapters you will see examples of other ways in which the muscles operate ; and , in the chapter on the muscles , the many various ways in which ...
Page 40
... example , by figure 21 , that it will make no difference in the effect , whether a single fibre go all around , as in a , or whether two fibres lap on to each other , as in b , and are fastened together . And the same can be said of any ...
... example , by figure 21 , that it will make no difference in the effect , whether a single fibre go all around , as in a , or whether two fibres lap on to each other , as in b , and are fastened together . And the same can be said of any ...
Page 44
... example , if this dark blood should be sent to the brain , the individual would become in- sensible and fall down , and he would die very soon if the good red blood could not be sent to his brain . And so , too , would all the organs ...
... example , if this dark blood should be sent to the brain , the individual would become in- sensible and fall down , and he would die very soon if the good red blood could not be sent to his brain . And so , too , would all the organs ...
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Common terms and phrases
acid gas air-cells animals apparatus arteries auricle bellows body brain breast-bone breathing building called capillaries carbonic acid carbonic acid gas cavity chain of bones changed chapter chest chinery chyle chyme circulation cles comes concert of action contracts cords daguerreotyping dark blood drum duct elbow-joint fastened feel fibres fingers fluid foot formative vessels front gall-bladder glands goes grinding hand head hearing heart hinge-joint images instrument intestines joint kinds larynx ligaments liver look lower jaw lungs membrane messages mind motion mouth muscles act muscles that move nerves nervous oesophagus organs oxygen parietal bones particles pass pull red blood repairing represented in Fig respiration retina right auricle sent serous membrane shape shoulder-joint side skin socket sound spinal column stomach structures substance tear-gland tears teeth tendons thing tion tube ulna valves variety veins ventricle vertebræ vibration winding passages windpipe
Popular passages
Page 112 - This is one reason also why it is made up of so many different bones, instead of being one solid, tight box. If a blow be received on the head, these bones give a little upon each other, as it is expressed, and so they are not often broken. They give more in the child than in the adult, because, besides being less brittle, they are less tightly put together. It is well that it is so ; for if it were not, the skull would often be fractured, in the frequent falls which the child has. 9. The bones on...
Page 169 - It is often produced by the vibration of the air. This is the case in whistling. In the flute it is the vibration of the air in the instrument that produces the sound. And so of other similar instruments. 3. When the vibrations are equal, the sound is a musical one. But when they are irregular, the sound is a noise, that is, a confused sound. 4. Sound passes through the air by vibrations. It may be said to pass by waves in all directions, just as waves go in all directions on the surface of water...
Page 54 - ... supply of impure air afforded by the Yoga exercises, we should aim at a large supply of pure air. How is this to be secured ? The air we breathe goes down into the lungs, which are full of small air cells, somewhat like a sponge. As a sponge is much larger when its cells are filled with water than when dry, so the lungs swell out when their cells are filled with air. How many little air cells are there in the lungs ? About sixty lakhs ! The air after staying a little time in the air cells, goes...