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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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More than 4.4billion prescriptions were dispensed within the United States in 2016.

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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Arrangement of the sarcoplasmic reticulum, transverse tubules, and myofibrils in a single skeletal m Arrangement of the sarcoplasmic reticulum, transverse tubules, and myofibrils in a single skeletal m
Withdrawing Medication from Single-Dose or Multiple-Dose Vials Withdrawing Medication from Single-Dose or Multiple-Dose Vials
A single overhead camshaft engine with a timing belt that also rotates the water pump. A single overhead camshaft engine with a timing belt that also rotates the water pump.
Viral single-strand DNA (circular) Viral single-strand DNA (circular)
Example of a single-nucleotide polymorphism (SNP) Example of a single-nucleotide polymorphism (SNP)
The effects of a single crossover in a paracentric inversion heterozygote The effects of a single crossover in a paracentric inversion heterozygote
Video: Types of Shock (Part 2 of 2)

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