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

8. I must not breathe impure air, because impure air makes bad blood, and bad blood makes poor bones.

9. The body of every person is changing all the time, because the skin, flesh, and bones are always wearing out, and the blood is always repairing and building them again.

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QUESTIONS FOR THE FORMULA.

1. Tell about the skull.

2. Tell about the spine.

3. Tell about the ribs.

4. Tell about the shoulder blades.

5. Tell about the collar bones.