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Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

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It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

The parathyroid glands. These four glands are located on the posterior side of the thyroid gland. Th The parathyroid glands. These four glands are located on the posterior side of the thyroid gland. Th
Adrenal glands. Adrenal glands.
endocrine feedback control endocrine feedback control
Major glands of the human endocrine system Major glands of the human endocrine system
Examples of endocrine disorders. (A) A patient with exophthalmos, a symptom of hyperthyroidism ... Examples of endocrine disorders. (A) A patient with exophthalmos, a symptom of hyperthyroidism ...
Salivary glands Salivary glands
Video: Energy inputs and release in glycolysis Animation

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