If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
Math Puzzle
Students rated their grandparents on a scale from 1 to 4 based on emotional closeness, time spent ...
Biology Teacher
Stepping It Up: Foundations for Success in Math, First Canadian Edition