Optional Activity

t est your laboratory partner's ability to recognize the tastes of apple, potato, carrot, and onion. To do this, follow these steps:

1. Have your partner close his or her eyes and hold the nostrils shut.

2. Place a small piece of one of the test substances on your partner's tongue.

3. Ask your partner to identify the substance without chewing or swallowing it.

4. Repeat the procedure for each of the other substances.

How do you explain the results of this experiment?

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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