« previous next »
« previous next »
 

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Cell-wall structure of Gram-positive and Gram-negative bacteria. Cell-wall structure of Gram-positive and Gram-negative bacteria.
Negative Feedback Insulin Glucagon Negative Feedback Insulin Glucagon
A Negative Afterimage A Negative Afterimage
Negative feedback control of a regulated variable. Negative feedback control of a regulated variable.
How to plot a sine function with a negative amplitude and phase shift (Question 3 of 3) How to plot a sine function with a negative amplitude and phase shift (Question 3 of 3)
Positive and Negative Reinforcement Positive and Negative Reinforcement
Video: Secondary Active Transport

For a complete list of videos, visit our video library