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Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

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

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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

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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.

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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Segregation of B cells and T cells in a lymph node Segregation of B cells and T cells in a lymph node
An example of a selection list used to identify symptoms. An example of a selection list used to identify symptoms.
Lymph Node Lymph Node
Major Minerals List Major Minerals List
Lymphocyte Activity in a Lymph Node Lymphocyte Activity in a Lymph Node
A Short List of Human X-Linked Recessive and X-Linked Dominant Traitsa A Short List of Human X-Linked Recessive and X-Linked Dominant Traitsa
Video: Origin of organelles Animation

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