The human brain is insensitive to pain.
76
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
It takes approximately 12 hours for food to entirely digest.
93
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
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Redheads require up to 20% more anesthesia to be knocked out.
112