Guess how many times we blink in a day?
1) The human brain takes up about 2% of our total body weight, but uses 20% of our body’s energy;
2) The average human heart beats about 3 billion times over a lifetime;
3) We blink about 20,000 times a day!
Guess how many times we blink in a day?
1) The human brain takes up about 2% of our total body weight, but uses 20% of our body’s energy;
2) The average human heart beats about 3 billion times over a lifetime;
3) We blink about 20,000 times a day!