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Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

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The average adult has about 21 square feet of skin.

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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Negative Feedback Insulin Glucagon Negative Feedback Insulin Glucagon
Timothy O'Sullivan (negative) and Alexander Gardner (print), A Harvest of Death, Gettysburg, ... Timothy O'Sullivan (negative) and Alexander Gardner (print), A Harvest of Death, Gettysburg, ...
Positive and Negative Stereotypes Positive and Negative Stereotypes
Withdrawal Symptoms and Treatment for Selected Drugs of Abuse Withdrawal Symptoms and Treatment for Selected Drugs of Abuse
Gram-stained cervical smear. Note the gram-negative diplococci Neisseria gonorrhoeae ... Gram-stained cervical smear. Note the gram-negative diplococci Neisseria gonorrhoeae ...
Positive and negative selection during T-cell development. Positive and negative selection during T-cell development.
Video: Alzheimer's Disease

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