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Author Question: Recall that Elaine Hatfield (Walster) and her colleagues (1966) randomly paired incoming students ... (Read 191 times) |
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
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.