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Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

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Blood is approximately twice as thick as water because of the cells and other components found in it.

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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

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.

The "Emu in the sky," a constellation defined by dark clouds rather than the stars. The "Emu in the sky," a constellation defined by dark clouds rather than the stars.
Concept map of disease and immune system Concept map of disease and immune system
During drought years on the Galapagos, small, easily eaten seeds become rare, le During drought years on the Galapagos, small, easily eaten seeds become rare, le
Concept map Concept map
Oceanic Crust Has a Well-defined Internal Structure Oceanic Crust Has a Well-defined Internal Structure
The concept of a threshold stimulus. The concept of a threshold stimulus.
Video: Introduction to Spirometry

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