0:00-3:35
Streams straight from the publisher. podnod never proxies or re-hosts episode audio.
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.
https://www.iheartpodcastnetwork.com
iheartpodcastnetwork.comomnystudio.com/listener
omnystudio.com