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Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

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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.

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There are more nerve cells in one human brain than there are stars in the Milky Way.

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Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Some common functional groups of biomolecules Some common functional groups of biomolecules
Skilled nursing facilities provide care for patients requiring longer stays than hospitals allow. Skilled nursing facilities provide care for patients requiring longer stays than hospitals allow.
Funeral Rituals and Practices among U.S. Cultural Groups Funeral Rituals and Practices among U.S. Cultural Groups
U.S. Racial-Ethnic Groups U.S. Racial-Ethnic Groups
Eating a variety of foods from all food groups is the best strategy to meet your daily mineral needs Eating a variety of foods from all food groups is the best strategy to meet your daily mineral needs
Common Nonsilicate Mineral Groups Common Nonsilicate Mineral Groups
Video: Phases of the ovarian cycle

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