Integumentary System

Skin Structure

How does blood oxygen level affect skin color?

When the blood is well oxygenated, the red blood pigment gives the skin of light-colored individuals a pinkish appearance. When the blood is not well oxygenated, the blood pigment is a darker red, which gives the skin a bluish appearance.


This is a web preview of the "The Handy Anatomy Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App