The human body produces and destroys 15 million blood cells every second.
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?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Did you know?
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
Did you know?
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."
Examples of sterile swabs (removed from protective wrappers).
Examples of the most common X-ray positions and the images they produce.
Two examples of diffusion.
Examples of SOAP Note entries.
Examples of Muds and Clays from the United States and Around the World
Examples of Polypeptide Production from Synthetic mRNAs