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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

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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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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

An overview of the two stages of photosynthesis: light reactions and the Calvin cycle An overview of the two stages of photosynthesis: light reactions and the Calvin cycle
Light-Gathering Power Light-Gathering Power
To check for voltage at terminal 30, use a test light or a voltmeter. Start by connecting the ... To check for voltage at terminal 30, use a test light or a voltmeter. Start by connecting the ...
Apply light tapotement on the head. Tapping lightly with the fingertips works well for this purpose. Apply light tapotement on the head. Tapping lightly with the fingertips works well for this purpose.
Major bone (tan) and cartilage (light blue) elements of the human skeleton. Inset shows regions of v Major bone (tan) and cartilage (light blue) elements of the human skeleton. Inset shows regions of v
Major bone (tan) and cartilage (light blue) elements of the human skeleton. Inset shows regions of v Major bone (tan) and cartilage (light blue) elements of the human skeleton. Inset shows regions of v
Video: Calvin Cycle Explained!

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