« previous next »
« previous next »
 

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Dish from Ecuador called "Cuy" Dish from Ecuador called "Cuy"
Cardinal Fields of Gaze, Right Lateral Gaze Cardinal Fields of Gaze, Right Lateral Gaze
Phonological and Whole-Word Reading Phonological and Whole-Word Reading
Word Problems Algebra Questions Help pls Word Problems Algebra Questions Help pls
Proportional reasoning word problems Proportional reasoning word problems
The synapse and synaptic transmission. (a) A thin cleft, called the synapse, separates one cell from The synapse and synaptic transmission. (a) A thin cleft, called the synapse, separates one cell from
Video: Stretch reflex & Tendon reflex

For a complete list of videos, visit our video library