Elementary biology : descriptive and experimental / by John Thornton.

  • Thornton, John
Date:
1907
Catalogue details

Licence: In copyright

Credit: Elementary biology : descriptive and experimental / by John Thornton. Source: Wellcome Collection.

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    CHAPTER PAGE XVII. Circulation and Respiration 200 XVIII. The Organs of Digestion and the Processes of Digestion 219 XIX. Food and Waste 239 XX. Structure and Habits of Frogs and Birds . [251] Questions and Exercises 251 Index 275
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