Biology
Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 39.3, Problem 1TC
Summary Introduction

To determine:

The skin areas that are especially sensitive to touch, and that differ from less sensitive areas.

Introduction:

Skin is the largest organ of the body. It has three layers. Epidermis is the outer layer of the skin that provides “waterproof barrier”. The dermis, present under the epidermis and it contains connective tissue and hair follicles. The deeper layer is made up of fat and connective tissue.

Skin receptors are the small cells known as sensory neurons. When skin comes in contact with something, the sensory neurons receive signals, and these signals travels to the brain.

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