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Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Upper Paleolithic stone tools include blade-based tools as seen here being produced from a blade cor Upper Paleolithic stone tools include blade-based tools as seen here being produced from a blade cor
Concentric and Eccentric Muscle Actions Concentric and Eccentric Muscle Actions
Muscle Tissue Components Muscle Tissue Components
Production of ATP in Skeletal Muscle Production of ATP in Skeletal Muscle
Muscle action in the small intestine Muscle action in the small intestine
Smooth muscle Smooth muscle
Video: Smoking Cessation

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