|
|
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?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.
Did you know?
Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
The human body produces and destroys 15 million blood cells every second.