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Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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The longest a person has survived after a heart transplant is 24 years.

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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

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Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

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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.

A, Normal intravertebral disk; B, herniated disk. A, Normal intravertebral disk; B, herniated disk.
Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry. Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry.
Examples of heart rhythms: normal. Examples of heart rhythms: normal.
Draw and label a diagram and explain how a factor-dependent transcription (rho-dependent) terminator Draw and label a diagram and explain how a factor-dependent transcription (rho-dependent) terminator
Modification of neural transmission in the central nervous system: (a) normal transmission; (b) ... Modification of neural transmission in the central nervous system: (a) normal transmission; (b) ...
(a) Chromosome painting with five different-colored markers in a normal cell. (b) Painting produces (a) Chromosome painting with five different-colored markers in a normal cell. (b) Painting produces
Video: Ionic bonds - role of ions in the body

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