Multiple Choice
Which organ system protects the body and is composed of skin, hair, and nails?
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5. Integumentary System
Introduction to the Integumentary System
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Which of the following is the outermost layer of the skin in the integumentary system?
A
Dermis
B
Subcutaneous tissue
C
Hypodermis
D
Epidermis
Verified step by step guidance1
Understand the structure of the integumentary system, which consists of three main layers: the epidermis, dermis, and subcutaneous tissue (also known as the hypodermis).
Recognize that the epidermis is the outermost layer of the skin, providing a protective barrier against environmental damage, pathogens, and water loss.
Learn that the dermis lies beneath the epidermis and contains connective tissue, blood vessels, nerves, and accessory structures like sweat glands and hair follicles.
Understand that the subcutaneous tissue (hypodermis) is the innermost layer, primarily composed of fat and connective tissue, which helps insulate the body and cushion internal organs.
Conclude that the correct answer to the question is the epidermis, as it is the outermost layer of the skin in the integumentary system.
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