The human brain is more active during sleep than during the day.
28
The average person's skin weighs twice as much as their brain.
131
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
It takes approximately 12 hours for food to entirely digest.
93
Only humans shed emotional tears.
331
A human being loses an average of 40 to 100 strands of hair a day.
133
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