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Certified Nursing Assistant Exam Prep

Category - Medical Assisting

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This system contains the largest organ of the human body, considered the first line of defense against invasion by foreign organisms and also regulates body temperature.

  1. The integumentary system.
  2. The skeletal system.
  3. The circulatory system.
  4. My buzzer doesn't work!
Explanation

Answer: A - The skin is the largest organ of the human body and part of the integumentary system. Also included in the integumentary system are hair follicles, nails, sweat and oil glands, as well as the underlying skin layers - the dermis and subcutaneous layers.

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