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Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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?
Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.