The average sperm cell swims at 8 inches per hour.
76
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The human brain has the capacity to store everything that you experience.
4k
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22