Our Right Lungs takes more air than our left lung.
194
Enamel is hardest substance in the human body.
61
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Yawns are more contagious among people with closer relationships.
163
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
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
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
By weight, Bone is five times stronger than steel.
417