You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
A human being loses an average of 40 to 100 strands of hair a day.
133
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
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127