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Thursday, 02 April 2026
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The oily substance that lubricates the mammalian hair to keep it flexible and water ...

The oily substance that lubricates the mammalian hair to keep it flexible and water repellent is secreted by the
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Sweet glands
  • B Sebaceous glands
  • C Fatty cells
  • D Granular layer
Correct Answer: Option B
Explanation:

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