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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?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
Did you know?
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Did you know?
No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.