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Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Your heart beats over 36 million times a year.

Iridium-Rich Layer of Clay Iridium-Rich Layer of Clay
Burn Degree By Tissue Layer Burn Degree By Tissue Layer
The peptidoglycan layer of Gram-positive bacteria The peptidoglycan layer of Gram-positive bacteria
The Subcutaneous Layer The Subcutaneous Layer
Skin layer diagram Skin layer diagram
As shown in the figure, a large open tank contains a layer of oil ( density 450 kg/m3) floating ... As shown in the figure, a large open tank contains a layer of oil ( density 450 kg/m3) floating ...
Video: What is an ecosystem?

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