More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
Piaget’s Three Mountain Task
Piaget’s Test for Egocentric Perspectives on Children
Jean Piaget in his office.
Piaget’s Three-Mountain Problem
Piaget's research involved several kinds of conservation tasks