116 
Brought forward A pee EY, 
5. Ossein, the organic framework of bones and the 
chief constituent of connective tissue; it 
yields gelatin when boiled “ as 4 
6. Keratin, with other similar and nitrogenous 
compounds, forms the chief part of the skin, 
epidermis, hair and nails, weighs about .. 4 
7. Cartilagin, a nitrogenous substance, is the chief 
constituent of cartilages ; it resembles the 
ossein of bone, and amounts to Bie 3 I 
8. Hemoglobin, a very important nitrogenous 
substance, containing iron ; it gives the red 
colour to the blood, and amounts to 5 I 
9. Albumen, a soluble nitrogenous substance, is 
found in chyle, lymph, blood and muscles .. I 
10. Carbonate of Lime, is found chiefly in bone .. I 
11. Kefhalin with myelin, cerebrin, and several 
other nitrogenised, sulphurised, or phospho- 
rised compounds, is found in brain, nerve, &c. fe) 
12. fluoride of Calcium, is found chiefly in bones 
and teeth ae ie a fe ae fe) 
13. Phosphate of Magnesia, chiefly in bones and 
tect 5, a af 7 “6 D fo) 
14. Chloride of Sodium, or common salt, occurs 
throughout the body .. ee ac BY! fo) 
15. Cholesterin, Inosite and Glycogen. are com- 
pounds containing carbon, hydrogen and 
oxygen, found in brain, muscle and liver .. fo) 
16 Sulphate, Phosphate and Organic Salts of 
Sodium, are found in all liquids and tissues... oO 
17. Sulphate, Phosphate and Chloride of Potassium, 
are found in all tissues and liquids .. 
18. Szdica, occurs in hair, skin and bones.. % fo) 
Total.. Ae ila 
ON THE PLACE OF FISH TV 
ELEMENTS OF THE HUMAN BODY. 
. Oxygen, a permanent gas, the great supporter 
of combustion. This gas constitutes $ of the 
water and { of the air. The quantity in the 
human body would fill a space of about some 
i290 cubic feet, and would weigh about .. 109 
N 
3° 
350 
175 
300 
