« previous next »
« previous next »
 

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

The mechanism of maternal effect in snail coiling. The mechanism of maternal effect in snail coiling.
An example of the founder effect with subsequent adaptive radiation. An example of the founder effect with subsequent adaptive radiation.
The effect of thyroid hormones on tadpole development The effect of thyroid hormones on tadpole development
Effect of RYGB Surgery in Rats Effect of RYGB Surgery in Rats
Effect of stimulus strength on size of graded potential. Effect of stimulus strength on size of graded potential.
The Serial-Position Effect The Serial-Position Effect
Video: Cardiac conductile cells

For a complete list of videos, visit our video library