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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?
To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
By definition, when a medication is administered intravenously, its bioavailability is 100%.
Did you know?
The average adult has about 21 square feet of skin.