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1. Crown-of-thorns (Acanthaster planci); 2. Cushion star (Oreaster reticulatus); 3. Sand star (Astropecten irregularis)-, 4. Sunflower star (Pycnopodia helianthoides); 5. Northern Pacific sea star (Asterias amurensis). (Illustration by Barbara Duperron)

1. Blue starfish (Linckia laevigata)-, 2. Cushion star (Odontaster validus); 3. Cushion star (Patiriella parvivipara); 4. Velcro sea star (Novodinia an-tillensis); 5. Ocher star (Pisaster ochraceus). (Illustration by Barbara Duperron)

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Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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