An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
It takes approximately 12 hours for food to entirely digest.
93
You forget 90% of your dreams.
256
Tigers can see 6 times better at night than humans.
305
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
By weight, Bone is five times stronger than steel.
417
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307