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01 - Lesson I. -General Notes on Natural History
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02 - Lesson II. -The Nutrition of Organs
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03 - Lesson III. The Circulation of Blood
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04 - Lesson IV. -Respiration
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05 - Lesson V. -Digestion
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06 - Lesson VI. -Stomach Digestion and Chymification
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07 - Lesson VII. -The Nervous System
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08 - Lesson VIII. -The Senses
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10 - Lesson X. -Bones, Muscles, and Locomotion