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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?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

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There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

The leaf is usually the primary site of photosynthesis in plants. The leaf is usually the primary site of photosynthesis in plants.
The Primary Sensory Regions of the Brain The Primary Sensory Regions of the Brain
The Workout (Primary Conditioning Period) The Workout (Primary Conditioning Period)
When checking a coil-on-plug (COP) assembly, check that the primary and secondary wiring looks ... When checking a coil-on-plug (COP) assembly, check that the primary and secondary wiring looks ...
Primary motor area of cerebral cortex Primary motor area of cerebral cortex
Primary growth in a root Primary growth in a root
Video: Digestive chemicals - types & enzymes

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