« previous next »
« previous next »
 

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

(A) The structure of a neuron, showing the dendrites, nerve cell body, and axon. (B) Photomicrograph (A) The structure of a neuron, showing the dendrites, nerve cell body, and axon. (B) Photomicrograph
Nerve Cell Nerve Cell
How a local anesthetic blocks nerve conduction. How a local anesthetic blocks nerve conduction.
The smell, sight, and taste of food, such as freshly baked bread, triggers the release of saliva The smell, sight, and taste of food, such as freshly baked bread, triggers the release of saliva
Eye movements with muscle and nerve coordination Eye movements with muscle and nerve coordination
optic disc (blind spot) optic disc (blind spot)
Video: Studying the Left and Right Brain Independently

For a complete list of videos, visit our video library