Final answer:
Sebum, produced by sebaceous glands, lubricates, and protects the skin from dehydration and microbial threats.
Explanation:
Sebum is an oily substance secreted by sebaceous glands that serves to lubricate and protect the skin from drying out and microbial infections. It acts as a barrier to water loss and has antibacterial properties, inhibiting the growth of microorganisms on the skin.
Learn more about Sebum and sebaceous glands here:
https://brainly.com/question/33711067
