Why do we blush? by ASAP Science

Do humans voluntarily blush? Do animals blush? ASAP Science gives us another colorfully quick answer to these interesting questions.

You need to login to download this video.
login or signup

Channels: Biochemistry Biophysics Sociology

Tags: blush fight flight blood

Uploaded by: ( Send Message ) on 07-02-2013.

Duration: 1m 47s