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
To use the restroom. If we don’t do our business our bladder would literally explode. We also need to go to shower/bathe to have good hygiene. Also to change tampons/pads (for females)