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If Blood Is Red,Why Are Veins Blue?
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Published on Nov 25, 2015
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PRESENTATION OUTLINE
1.
IF BLOOD IS RED, WHY ARE VEINS BLUE?
Presentation by: Abigail Ragsac
Photo by
Pulmonary Pathology
2.
WHY DOES DO OUR VEINS LOOK BLUE?
Veins appears blue because of wavelengths in the light.
We see the blue because the blue wavelengths reflect blue back into our eyes.
This makes our veins look blue but it's actually red.
Photo by
monteregina
3.
Interesting facts about blood
When blood first is pumped out of your heart it is bright red
When blood is coming back to your heart it is a very dark red
There are 150MILLION red blood cells in only one OUNCE of blood.
Photo by
LendingMemo
4.
Q AND A
When blood is first pumped out of your heart what color is it?
How many red blood cells are in 1 ounce of blood?
What color wavelengths are reflected back toward are eyes.
Photo by
Oberazzi
5.
ANSWERS
It's a bright red
150 million
Blue
Photo by
Telstar Logistics
6.
THANK YOU FOR WATCHING!!
Photo by
Kamal Zharif
7.
RESOURCES
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