The school and farmA treatise on the elements of agriculture . 7%« lungs, showing the larynx. A, the tolndplpe ; B, the broiuihial fubea, necessary energy there is needed another muscle, calledthe midriff or diaphragm, which marks the divisionbetween the upper and the lower cavities of the is at the base of the chest, extending across it andbent upward. On its elasticity depends the free actionof the heart, and also of the lungs. Ladies wearing 190 SCIENCE AND 31 f—TiiE IlEAur and its Cavities.(Showing lesser and greater circulations.)rt, right auricle; b, right ven
The school and farmA treatise on the elements of agriculture . 7%« lungs, showing the larynx. A, the tolndplpe ; B, the broiuihial fubea, necessary energy there is needed another muscle, calledthe midriff or diaphragm, which marks the divisionbetween the upper and the lower cavities of the is at the base of the chest, extending across it andbent upward. On its elasticity depends the free actionof the heart, and also of the lungs. Ladies wearing 190 SCIENCE AND 31 f—TiiE IlEAur and its Cavities.(Showing lesser and greater circulations.)rt, right auricle; b, right ventricle, communi-cating through auriculo-ventricularopening;c, pulmonary artery, showing branches to eachlung; d, capillary vessels of lesser or pulmoniccirculation ; e, pulmonary veins;/, left auricle,and g, left ventricle, communicating throughleft auriculo-ventricular opening; k, aorta;i, arteries ; k, upper vena cava, bringing bloodfrom upper portions of body to right auricle jI, arch of aorta; m, its descending portion;M, arteries of stomach and intestines; 0,capil-laries of intestines ; p, portal canal; g, capil-laries of portal system in liver; r, veins 01liver; s, lower vena cava, bringing blood 10right auricle from abdomen and low(;r body; t, capillaries of greater or syu-temic circulation. corsets hinder thedevelopment and ac-tion of the dia-phragm, and therebyendanger their entiresystem. But it is not onlythrough the lungsthat the waste mate-rial o
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectagricul, bookyear1902
