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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?
By definition, when a medication is administered intravenously, its bioavailability is 100%.
Did you know?
Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.