Please someone help me

The normal function of sebaceous glands is to produce and secrete sebum, a group of complex oils including triglycerides and fatty acid breakdown products, wax esters, squalene, cholesterol esters and cholesterol. Sebum lubricates the skin to protect against friction and makes it more impervious to moisture

because health skills are tools and strategies and also practical skills are also something you need to learn (like tools and strategies) and put it in reality.

answerbps;