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Did you know?
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
Did you know?
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Did you know?
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
![Some red squirrels adopt the offspring of related individuals, a likely example of kin selection pro](https://biology-forums.com/gallery/47/medium_33_09_09_11_10_15_28_17161536.jpeg)
![Acute exacerbations of asthma can require management in the emergency department. The child is place](https://biology-forums.com/gallery/47/medium_14755_05_10_12_4_09_38_92591688.jpeg)