First Book in Physiology: For the Use of Schools |
From inside the book
Results 1-5 of 14
Page 4
... stop to show that clear logical presentations of facts and principles tend to form such habits , and that a loose , confused mode of presenting them tends to form habits of an opposite character . Let me not be understood to advocate ...
... stop to show that clear logical presentations of facts and principles tend to form such habits , and that a loose , confused mode of presenting them tends to form habits of an opposite character . Let me not be understood to advocate ...
Page 14
... stops , either when we are sick or when we are asleep ; it is the breathing and the circulating machinery . The heart is always beating , and the chest is always heav- ing ; they never rest from their work , and they are stopped only by ...
... stops , either when we are sick or when we are asleep ; it is the breathing and the circulating machinery . The heart is always beating , and the chest is always heav- ing ; they never rest from their work , and they are stopped only by ...
Page 27
... stop chewing , and the food is thrust back into the throat to be swallowed , the thick fluid is poured out and covers the food , so that it may slip down . easily into the stomach . 12. The tube through which the food passes down into ...
... stop chewing , and the food is thrust back into the throat to be swallowed , the thick fluid is poured out and covers the food , so that it may slip down . easily into the stomach . 12. The tube through which the food passes down into ...
Page 39
... stop pressing the ball , and let it take its round shape again , the water rushes into it from the vessel . For the same reason , when the heart dilates or becomes larger , the blood rushes into it . 7. I will now explain to you the ...
... stop pressing the ball , and let it take its round shape again , the water rushes into it from the vessel . For the same reason , when the heart dilates or becomes larger , the blood rushes into it . 7. I will now explain to you the ...
Page 40
... stop press- ing it . α FIG.21 . 9. The fibres of the heart are not arranged in the regular form in which they are represented in the above figures . They meet each other , and cross each other in various ways . But the effect of their ...
... stop press- ing it . α FIG.21 . 9. The fibres of the heart are not arranged in the regular form in which they are represented in the above figures . They meet each other , and cross each other in various ways . But the effect of their ...
Other editions - View all
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...