Safety

Use only a mechanical pipetting device (never your mouth). Use pipets with rubber bulbs or dropping pipets.

Wear safety glasses when working with acids and when heating test tubes.

Use test-tube clamps when handling hot test tubes. If an open flame is used for heating the test solutions, keep clothes and hair away from the flame.

The digestive enzyme in salivary secretions is called amylase. This enzyme splits starch molecules into sugar (disaccharide) molecules, which is the first step in the digestion of complex carbohydrates.

As in the case of other enzymes, amylase is a protein whose activity is affected by exposure to certain environmental factors including excessive heat, radiation, electricity, and certain chemicals.

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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