Biology · Integumentary System
Which primary layer of the skin acts as the outermost protective barrier against bacterial entry, chemical exposure, and mechanical injury?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Subcutaneous layer
- 2Sebum layer
- 3Epidermis✓
- 4Dermis
Correct answer
Epidermis
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