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Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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.

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People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

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

Bones of the appendicular skeleton. Bones of the appendicular skeleton.
Bones Markings Bones Markings
The cranial and facial bones of the axial skeleton. The cranial and facial bones of the axial skeleton.
Examples of pathogens. Examples of pathogens.
Examples of endocrine disorders. (B) A patient with a goiter. Examples of endocrine disorders. (B) A patient with a goiter.
Micrographs and drawings of three types of simple epithelia, with examples of their functions and lo Micrographs and drawings of three types of simple epithelia, with examples of their functions and lo
Video: Major Elements in Biological Molecules: Nucleic acids

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