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Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Two mechanisms that affect cell shape and movement. Two mechanisms that affect cell shape and movement.
Brain Cell Brain Cell
Hepatic cell Hepatic cell
The role of antigen-presenting cell (APC). The role of antigen-presenting cell (APC).
A color-enhanced scanning electron micrograph of a neuron cell body (grey) studded with terminal ... A color-enhanced scanning electron micrograph of a neuron cell body (grey) studded with terminal ...
The responses of an on-center cell to contrast. The responses of an on-center cell to contrast.
Video: Coronary Heart Disease Animation

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