Object Lessons on the Human Body / A Transcript of Lessons Given in the Primary Department of School No. 49, New York City

by Sarah F. Buckelew; Margaret W. Lewis

QUESTIONS ON THE MOUTH, ETC.

Where is the mouth?—"In the lower part of the face, between the nose and the chin."

Of what use is the mouth?—"To breathe, speak, and eat through."

What is in the mouth?—"My tongue, my upper teeth, my lower teeth, and my upper and lower jaws."

What covers the jaws?—"Red flesh, called gum."

Of what are the jaws composed?—"Of bones."

Of what are the teeth made?—"Of dentine, covered with enamel." [See note], p. 19.

What is enamel?—"A smooth, white substance, harder than bone."

Of what use are the teeth?—"To eat and talk with."