Digestive System (Speedy Study Guides). Speedy Publishing

Аннотация:

The digestive system is where food gets converted into the energy that your body needs. But the digestive system is seen as not as important as the other systems in the body thereby leading to its abuse. This quick study guide can be used as reference to the important functions of the digestive system. Complete with infographics, this is the book you need to have.