A manual of human physiology, including histology and microscopical anatomy, with special reference to the requirements of practical medicine . Temperature ofthe Air. Temperature of theExpired Air. + 29S°C+ 36-2-37+ 38-1°+ 38-5° 7 -6-3°C, ....+ 17-19°, + 41°, .... + 44°, .... The diminution of the volume of theexpired airmentioned under (3) is far more than compensated bythe warming which the inspired air undergoes in therespiratory passages, so that the volume of the expired airis one-ninth greater than the air inspired. 8. A very small quantity of AMMONIA is found in theexpired air (Regnault
A manual of human physiology, including histology and microscopical anatomy, with special reference to the requirements of practical medicine . Temperature ofthe Air. Temperature of theExpired Air. + 29S°C+ 36-2-37+ 38-1°+ 38-5° 7 -6-3°C, ....+ 17-19°, + 41°, .... + 44°, .... The diminution of the volume of theexpired airmentioned under (3) is far more than compensated bythe warming which the inspired air undergoes in therespiratory passages, so that the volume of the expired airis one-ninth greater than the air inspired. 8. A very small quantity of AMMONIA is found in theexpired air (Regnault and Reiset) — 00204 grammes in24 hours (Lossen) ; it is probably derived from the blood,for blood exposed to the air evolves ammonia (Briicke). 9. Small quantities of H and CH4 are expired, bothbeing absorbed from the intestine. In herbivora, Reisetfound that 30 litres of CH4 were expired in 24 256 DAILY QUANTITY OF GASES EXCHANGED. 125. Daily Quantity of Gases Exchanged. As under normal circumstances more 0 is absorbed than there isCO given off (equal volumes of 0 and C02 contain equal quantities of0), a part of the 0 must be used for other oxidation-processes in thebody. According to the extent of these latter processes, the ratio ofthe 0 taken in to the C02 given out— O906 normally) must vary. The amount of C02 given off may be less than the mean abovestated. The quantity of C02 alone is not a reliable indication of theentire exchange of gases during respiration; we must estimate simul-taneously the amount of 0 absorbed, and the C02 given off. 126, Review of Daily Gaseous Income and Expenditure. Income In 24 hours. Oxygen— 744 grms. = (Vierordt) (At 0°C and mean barometricpressure.) Expenditure in 24 Acid— 900 grms. = 455500 (Vierordt). 36 grms. ]>er hour (Scharling). 32S-334 grms. ,, (Liebermeister). 34 grms. ,, . (Panum).
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectphysiology, bookyear1
