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Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.
![Daniel Burnham’s Flatiron Building (1902) was one of the first to use steel girders to hold up the b](https://biology-forums.com/gallery/47/medium_6_24_08_15_12_36_54_224241797.jpeg)
![Cradle the head briefly in both hands to end this section. Hold for a few seconds until you can feel ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_1_47_42_33124348.jpeg)