How does the integumentary system prevent disease

Introduction

The integumentary system consists of skin, hair, nails, and nerves. As you learn about the various diseases that affect the integumentary system, it is important for you to understand the structures that can be affected by disease. Complete this lab to become familiar with a healthy system and to identify diseases related to the skin.

PART ONE: basic functions

Provide brief answers to the following questions to help you get acquainted with the basic functions of a healthy integumentary system. Refer to Ch. 19 in Microbiology: Principles and Explorations.
 
1.     How does the integumentary system prevent disease?
2.     How do sweat, sebaceous (oil), and mucus secretions help prevent disease?
3.     Which types of bacteria are considered normal skin microflora?
4.    Suppose a sample of bacteria was taken from your skin. If you were to perform a Gram stain on the sample, what is the likely Gram reaction – positive or negative? Explain your answer.

PART two: basic structures

Identify the selected integumentary system structures in the following diagram:

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