BrainStuff Classics: Why Is Our Blood Red?

BrainStuff Classics: Why Is Our Blood Red?

By iHeartPodcasts

Human blood is red -- yes, even when it's in your body. Learn why -- and why your veins appear blue through your skin -- in this episode of BrainStuff.

Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

See omnystudio.com/listener for privacy information.

-
-
Heart UK
Mute/Un-mute