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Did you know?
When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
Did you know?
Green tea is able to stop the scent of garlic or onion from causing bad breath.