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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
There are more nerve cells in one human brain than there are stars in the Milky Way.
To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.
As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.
A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.
![The female reproductive system. (a) Sagittal section through the pelvis. (b) Top view of pelvic orga](https://biology-forums.com/gallery/47/medium_14755_16_10_12_12_26_15_9423844.jpeg)
![The female reproductive system. (a) Sagittal section through the pelvis. (b) Top view of pelvic orga](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_32_04_97171236.jpeg)