Which of the following is NOT a layer of the integumentary system?

Study for the NHCO Phlebotomy Test. Experience flashcards and multiple-choice questions with hints and explanations. Prepare effectively for your phlebotomy exam!

Multiple Choice

Which of the following is NOT a layer of the integumentary system?

Explanation:
This item tests your ability to distinguish structures that belong to the skin from those in other body systems. The skin itself has two main layers—the outer epidermis and the deeper dermis—with the subcutaneous layer (hypodermis) lying beneath to provide padding and insulation. The endocardium, however, is the inner lining of the heart chambers and valves, part of the cardiovascular system, not the skin. So the endocardium is not a layer of the integumentary system.

This item tests your ability to distinguish structures that belong to the skin from those in other body systems. The skin itself has two main layers—the outer epidermis and the deeper dermis—with the subcutaneous layer (hypodermis) lying beneath to provide padding and insulation. The endocardium, however, is the inner lining of the heart chambers and valves, part of the cardiovascular system, not the skin. So the endocardium is not a layer of the integumentary system.

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