The human body produces and destroys 15 million blood cells every second.
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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
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Medication errors are three times higher among children and infants than with adults.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
Location of the heart within the mediastinum of the thoracic cavity.
Brain, spinal cord, and spinal nerves with an expanded view of a spinal nerve.
Bones change radically in size and shape from newborn to adult, as these cervical vertebrae demonstr
Vertebral regions showing the four spinal curves.
The Thoracic Vertebrae: Thoracic Spine Articulations
The Lumbar Vertebrae: Right Lateral View of Vertebra