The Principles of Physiology Applied to the Preservation of Health, and to the Improvement of Physical and Mental EducationMaclachlan, Stewart, 1842 - 436 páginas |
Términos y frases comunes
absorbents absorption active afflux animal heat aorta arterial blood attention bad health bath becomes bodily body bones bowels brain breathing carbonic acid cause chest chyle circulation clothing cold colour condition confined consequence constitution contraction cutaneous cuticle degree dermis digestion disease effect epidermis equally evils excitement exer exercise exertion exhalation extent external fact fatigue feeling fever flannel functions GEORGE COMBE habit hence human ignorance important impurities increased influence injurious knowledge labour laws lungs matter means ment mental mind moral motion mucous coat mucus muscles muscular system nature neglect neral nerves nervous system nutrition observed open air organs oxygen papillć persons perspiration Phrenology physiology practical present preserving principle proportion pulmonary pure air quantity remarks rendered respiration right auricle scarcely scrofula sensation shew skin speedily stimulus structure suffer sufficient supply surface temperature tion venous blood ventilation vessels vital vitiated walk warm young
Pasajes populares
Página 330 - Scott, and also of the celebrated Weber, whose mournful exclamation in the midst of his numerous engagements can never be forgotten ; "Would that I were a tailor, for then I should have a Sunday's holiday!
Página 372 - ... of its benign influence throughout his whole body; the opportunity was too tempting to be lost. Davy...
Página 141 - ... passing into the palms of his hands when engaged in playing with it, — and that as soon as perspiration was induced, he might desist for the time, as that would be a proof of the medicine being received into the general system. The effect, we are told, was marvellous: and looking to the principle just stated, to the cheerful nervous stimulus arising from the confident expectation of a cure, and to the consequent advantages of exercise thus judiciously managed, we have no reason to doubt that...
Página iii - The Principles of Physiology, applied to the Preservation of Health, and to the Improvement of Physical and Mental Education.
Página 328 - From neglecting proper intervals of rest, the vascular excitement of the brain, which always accompanies activity of mind, has never time to subside, and a restless irritability of temper and disposition comes on, attended with sleeplessness and anxiety, for which no external cause can be assigned. The symptoms gradually become aggravated, the digestive functions give way, nutrition is impaired, and a sense of wretchedness is constantly present, which often leads to attempts at suicide. While all...
Página 172 - When care is taken, however, not to carry reading aloud so far at one time as to excite the least sensation of soreness or fatigue in the chest, and it is duly repeated, it is extremely useful in developing and giving tone to the organs of respiration, and to the general system.
Página 139 - ... well as occupies the body; and, by thus placing the muscles in the best position for wholesome and beneficial exertion, enables them to act without fatigue for a length of time which, if occupied in mere walking for exercise, would utterly exhaust their powers. The elastic spring, the bright eye, the cheerful glow of beings thus excited, form a perfect contrast to the spiritless and inanimate aspect of many of our boarding-school processions ; and the results in point of health and activity are...
Página 160 - ... same time, and left at home, digestion was nearly completed. A mere stroll which requires no exertion, and does not fatigue, will not be injurious before or after eating ; but exercise beyond this limit is at such times hurtful. All, therefore, whose object is to improve or preserve health, and whose occupations are in their own power, ought to arrange these, so as to observe faithfully this important law, for they will otherwise deprive themselves of most of the benefits resulting from exercise.
Página 80 - These precautions were followed by the happiest results. He proceeded to his station with a crew of 150 men, visited almost every island in the West Indies, and many of the ports in the Gulf of Mexico, and, notwithstanding the sudden transition from extreme climates, returned to England without the loss of a single man, or having any sick on board on his arrival.
Página 229 - ... and mortal struggle ensued to get near the windows. Within four hours, those who survived lay in the silence of apoplectic stupor; and at the end of six...