446 ON THE PLACE OF FISH IN 



Ibs. ozs. grs. 



Brought forward .. .. 137 14 o 



5. Ossein, the organic framework of bones and the 



chief constituent of connective tissue; it 



yields gelatin when boiled .. .. .. 47 350 



6. Keratin, with other similar and nitrogenous 



compounds, forms the chief part of the skin, 



epidermis, hair and nails, weighs about .. 42 o 



7. Cartilagin, a nitrogenous substance, is the chief 



constituent of cartilages ; it resembles the 



ossein of bone, and amounts to .. .. i 8 o 



8. Hemoglobin, a very important nitrogenous 



substance, containing iron ; it gives the red 



colour to the blood, and amounts to .. i 8 o 



9. Albumen, a soluble nitrogenous substance, is 



found in chyle, lymph, blood and muscles .. i i o 



10. Carbonate of Lime, is found chiefly in bone .. i o 350 



11. Kephalin with myelin, cerebrin, and several 



other nitrogenised, sulphurised, or phospho- 



rised compounds, is found in brain, nerve, &c. o 13 o 



12. Fluoride of Calcium, is found chiefly in bones 



and teeth .. .. .. .. .. 07 175 



13. Phosphate of Magnesia, chiefly in bones and 



teeth .. .. .. .. .. ..070 



14. Chloride of Sodium, or common salt, occurs 



throughout the body .. .. .. .. 070 



15. Cholesterin, Inosite and Glycogen are com- 



pounds containing carbon, hydrogen and 



oxygen, found in brain, muscle and liver .. 030 



1 6. Sulphate, Phosphate and Organic Salts of . 



Sodium, are found in all liquids and tissues .. 02 107 



1 7. Sulphate, Phosphate and Chloride of Potassium, 



are found in all tissues and liquids .. .. o i 300 



1 8. Silica, occurs in hair, skin and bones.. .. o o 30 



Total.. .. 154 o 



mm 



ELEMENTS OF THE HUMAN BODY. 



Oxygen, a permanent gas, the great supporter 

 of combustion. This gas constitutes f of the 

 water and f of the air. The quantity in the 

 human body would fill a space of about some 

 1290 cubic feet, and would weigh about .. 109 2 335 



