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Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Human Biology Human Biology
Human Sperm greatly enlarged Human Sperm greatly enlarged
Components of the Human Body Components of the Human Body
View of the bottom surface of the human brain. View of the bottom surface of the human brain.
(A) The stages in utero of human development. (A) The stages in utero of human development.
A cerebral angiogram of a healthy human subject. A cerebral angiogram of a healthy human subject.
Video: Introduction to Cystic Fibrosis

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