Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

Why are our veins blue?

1
ANSWER

Veins appear blue because blue light is reflected back to our eyes. Blue light does not penetrate human tissue as deeply as red light does. As a result, veins that are close to the surface of the skin will be more likely to reflect blue light back to the eye.

{{ relativeTimeResolver(1662910057013) }}
LIVE
points 86
Rating
Similar questions
Science • 1
ANSWER
Science • 1
ANSWER
Science • 2
ANSWER
Science • 2
ANSWER
Browse more Science questions.
Science • 1
ANSWER
Science • 1
ANSWER
Science • 1
ANSWER
Science • 1
ANSWER
Science • 1
ANSWER
Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE
Science • 4
ANSWER
Science • 1
ANSWER
Science • 1
ANSWER
Science • 1
ANSWER
Science • 1
ANSWER
Science • 1
ANSWER
Browse more Science questions.
Science • 1
ANSWER
Science • 1
ANSWER
Science • 1
ANSWER
Science • 1
ANSWER
Science • 1
ANSWER
Science • 1
ANSWER
Science • 1
ANSWER
Science • 1
ANSWER
Science • 1
ANSWER
Science • 1
ANSWER

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE

Blog Help centre Conditions of use Privacy Notice

© 2010 - 2022, Amazon.com, inc. or its affiliates. All Rights Reserved.