First Book in Physiology: For the Use of Schools |
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Page 15
... 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 pile of bones near a slaughter - house , which have been a long time ...
... 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 pile of bones near a slaughter - house , which have been a long time ...
Page 18
... head . Within these walls are the three great cavities of the body , containing its most important organs . 13. In the cavity of the head is the brain . This delicate and soft organ is shut in very securely by that round box of bones ...
... head . Within these walls are the three great cavities of the body , containing its most important organs . 13. In the cavity of the head is the brain . This delicate and soft organ is shut in very securely by that round box of bones ...
Page 42
... head , where the bones are not joined together . This is the pulse of the arteries of the brain . When the heart beats very strongly , as it does in a high fever , this pulse in the brain is very manifest . 16. If a vein be cut , the ...
... head , where the bones are not joined together . This is the pulse of the arteries of the brain . When the heart beats very strongly , as it does in a high fever , this pulse in the brain is very manifest . 16. If a vein be cut , the ...
Page 50
... head and arms , and then bends downward behind . the heart to send off branches to all the other parts of the body . 30. You observe much irregularity in the arrange- ment of the two sides of the heart , as they are called . Describe ...
... head and arms , and then bends downward behind . the heart to send off branches to all the other parts of the body . 30. You observe much irregularity in the arrange- ment of the two sides of the heart , as they are called . Describe ...
Page 52
... head ; c is the artery that goes to the arm ; bb are the veins coming from the head , and dd the With what is the heart covered ? Describe its situation as represent- ed in Fig . 25 . veins from the arms , all emptying , as you. 52 FIRST ...
... head ; c is the artery that goes to the arm ; bb are the veins coming from the head , and dd the With what is the heart covered ? Describe its situation as represent- ed in Fig . 25 . veins from the arms , all emptying , as you. 52 FIRST ...
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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...