Practical Work in the School Room

Practical Work in the School Room

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Of what are the lungs composed? a€” aquot;Of a soft, fleshy substance, full of small air- cells and tubes.aquot; Of what use are the lungs? a€” aquot;They are the breathing machines of the body.aquot; How do the lungs appear when healthy ? a€” aquot; Porous and spongy.


Title:Practical Work in the School Room
Author: Sarah Frances Buckelew, Margaret Wiseham Lewis
Publisher: - 1885
ISBN-13:

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