« previous next »
« previous next »
 

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

The gill-withdrawal reflex in the sea slug. The gill-withdrawal reflex in the sea slug.
Gram Postive & Gram Negative Bacteria Gram Postive & Gram Negative Bacteria
Nonverbal communications convey strong, powerful messages that may be negative or positive. Nonverbal communications convey strong, powerful messages that may be negative or positive.
Negative feedback control of a regulated variable. Negative feedback control of a regulated variable.
Positive and negative selection during T-cell development. Positive and negative selection during T-cell development.
Positive and Negative Punishment Positive and Negative Punishment
Video: Introduction to Eating Disorders

For a complete list of videos, visit our video library