If you were to rub your finger over the surface of your face, you would notice that the skin is oily. What makes up the oil?
A) Waste material from cellular metabolism
B) Waste material (bilirubin) from dead red blood cells
C) Ruptured cells from sebaceous glands
D) Extracellular fluid not drained by the lymphatic system
E) Plasma leakage from damaged blood vessels

Question

Quizplus · Accepted Answer

The oil on the skin is primarily made up of sebum, which is produced by sebaceous glands. Sebum is released when cells in these glands rupture, providing a protective oily layer on the skin.

If You Were to Rub Your Finger Over the Surface