First Book in Physiology: For the Use of Schools and Families |
From inside the book
Results 1-5 of 18
Page 11
... sent forth and received by the mind . 8. Messages are sent by means of the nerves to the muscles , whenever the mind wills that any part of the body move . Thus , when you wish to move your hand , messages are sent from the brain to the ...
... sent forth and received by the mind . 8. Messages are sent by means of the nerves to the muscles , whenever the mind wills that any part of the body move . Thus , when you wish to move your hand , messages are sent from the brain to the ...
Page 44
... 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 stop work , as we may say , if dark blood ...
... 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 stop work , as we may say , if dark blood ...
Page 45
... sent all over the body . 22. All this could not be done by the heart if it were a single organ . It is not single . It is double , or rather , there are really two hearts ; one for the circu- lation all over the body , and the other for ...
... sent all over the body . 22. All this could not be done by the heart if it were a single organ . It is not single . It is double , or rather , there are really two hearts ; one for the circu- lation all over the body , and the other for ...
Page 46
... sent by this right side of the heart to the lungs , b . Here it is changed to red blood , and then passes back by veins to the heart —but observe , it is to the left side , c . It is now sent by this left side of the heart to the whole ...
... sent by this right side of the heart to the lungs , b . Here it is changed to red blood , and then passes back by veins to the heart —but observe , it is to the left side , c . It is now sent by this left side of the heart to the whole ...
Page 47
... sent all over the body , repre- sented by f . Describe the apartments of the heart . Describe the circulation as it takes place through these apartments . 26. In each half or side of the heart the CIRCULATION OF THE BLOOD . 47.
... sent all over the body , repre- sented by f . Describe the apartments of the heart . Describe the circulation as it takes place through these apartments . 26. In each half or side of the heart the CIRCULATION OF THE BLOOD . 47.
Other editions - View all
Common terms and phrases
acid gas air-cells animals aorta 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 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 - BO 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 the top of the head are fastened together by...
Page 2 - Also several other Text Books by good Authors, for which, see our Catalogue, which is furnished gratis. We furnish to Teachers for Examination, postpaid by mail, a copy of any of the above books not having a * annexed, at half price. Those marked with a * we send on receipt of the prices annexed.
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 2 - BULLIONS' SERIES OF GRAMMARS, ETC. INTRODUCTION TO ANALTT. AND PEAC. GRAMMAR. 40cts. ANALYTICAL AND PRACTICAL ENGLISH GRAMMAR. 75 cents. EXERCISES IN ANALYSIS AND PARSING. 1R cents. LATIN LESSONS, by Spencer, 75 cents, introductory to Bullions
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...