A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
It takes approximately 12 hours for food to entirely digest.
93
Your heart will pump about 212 million liters in its lifetime.
26
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
Tigers can see 6 times better at night than humans.
305
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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