All organisms have a barrier that separates their internal environment from the outside world. Which of the fo

Question

All organisms have a barrier that separates their internal environment from the outside world. Which of the following organ systems forms a barrier between the internal and external environments for humans?
 A. 
excretory system
 B. 
nervous system
 C. 
integumentary system
 D. 
circulatory system

GPT-5 mini · Answer

C. integumentary system

The integumentary system (skin, hair, nails, glands) forms the primary physical barrier between the body's internal environment and the external world, protecting against pathogens, preventing water loss, and helping regulate temperature.

All organisms have a barrier that separates their internal environment from the outside world. Which of the following organ systems forms a barrier between the internal and external environments for humans?
A.
excretory system
B.
nervous system
C.
integumentary system
D.
circulatory system

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All organisms have a barrier that separates their internal environment from the outside world. Which of the following organ systems forms a barrier between the internal and external environments for humans? A. excretory system B. nervous system C. integumentary system D. circulatory system

All Answers 1

Submit Your Answer

All organisms have a barrier that separates their internal environment from the outside world. Which of the following organ systems forms a barrier between the internal and external environments for humans?
A.
excretory system
B.
nervous system
C.
integumentary system
D.
circulatory system