An academic physiology and hygiene .. . or semi-solid, jelly-like mass,rather than as a tiny bag or sac containing fluid. 10. The White Corpuscles. — These corpuscles are ex-tremely irregular andever-changing in form,of a yellowish-whitecolor, and a little largerthan the red, beingof an inch inThe whitecorpuscles are not sonumerous as the red,the proportion beingabout as one to fivehundred. 11. While the shapeof red corpuscles isonly by in-from without,pressure, thatof the white corpusclesundergoes constantalteration from changestaking place in theirown substance. Theyalso exhibit a peculiarmi
An academic physiology and hygiene .. . or semi-solid, jelly-like mass,rather than as a tiny bag or sac containing fluid. 10. The White Corpuscles. — These corpuscles are ex-tremely irregular andever-changing in form,of a yellowish-whitecolor, and a little largerthan the red, beingof an inch inThe whitecorpuscles are not sonumerous as the red,the proportion beingabout as one to fivehundred. 11. While the shapeof red corpuscles isonly by in-from without,pressure, thatof the white corpusclesundergoes constantalteration from changestaking place in theirown substance. Theyalso exhibit a peculiarmigratory power (and in this they much resemble a minuteanimal organism found in great numbers in stagnant 1 The solids are organic matters, in ioo parts of which have been found hemo-globin, parts. This substance possesses a strong affinity for oxygen, andreadily absorbs it or unites with it; but as the tissues have a still stronger affinity foroxygen, they absorb it from the red corpuscles, and, in return, replace it with car-. white Corpuscles of the Fig. 29. Red andBlood magnified. , moderately magnified corpuscles. At a anda are two white corpuscles. The red ones arearranged like coins in rolls. B, C, D, E, F, arehighly magnified red corpuscles, in variouspositions. I, a red corpuscle distended into asphere. G, H, white corpuscles, much magnified. changedfluencessuch as THE BLOOD AND ITS CIRCULATION, 79 water), often getting out of the smallest blood-vess{capillar md becoming scattered in the interstices the surrounding tissues, where, in consequencetheir adhesive] cv become fixed, underg ang s, and become parts of the tissues. White corpuscles inthe blood of all animals are very nearly equal in avensize. 12. Quantity of Blood. — In the human body it may beI that fn»m one-tenth to one-thirteenth of its w that of bl( which, ing to K one-fourth si Touted in the heart, lungs, large arteries, and veins;one-fourth in the liver ; one fourth in the skeletal
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