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Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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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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People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

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Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

The deer mouse and the African elephant represent extremes among mammals of r versus K selection. The deer mouse and the African elephant represent extremes among mammals of r versus K selection.
Polytomies represent uncertainty about phylogenetic relationships Polytomies represent uncertainty about phylogenetic relationships
Lab Values Lab Values
How to use your Fx-991ES Plus Calculator to find the roots of a quadratic equation How to use your Fx-991ES Plus Calculator to find the roots of a quadratic equation
How to sketch a quadratic equation using transformations after completing the square (Question 1) How to sketch a quadratic equation using transformations after completing the square (Question 1)
Selected Narrow Sense Heritability (h2) Values for Animals and Plants Selected Narrow Sense Heritability (h2) Values for Animals and Plants
Video: Calvin cycle (The light-independent reactions )

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