Keratine, a nitrogenous substance, forming the | | | greater part of hair, nails, and skin.

Weighs | 4 | 2 | 0 | | | 7.

Cartilagine resembles the osseine of bone, and is a | | | nitrogenous substance, the chief constituent of | | | cartilage, weighing | 1 | 8 | 0 | | | 8.

Haemoglobine gives the red color to blood, and is | | | a nitrogenous substance containing iron, and | | | weighing | 1 | 8 | 0 | | | 9.

Albumen is a soluble nitrogenous substance, | | | found in the blood, chyle, lymph, and muscle, | | | and weighs | 1 | 1 | 0 | | | 10.