If you are cold you are more likely to be hungry because you use energy to keep warm.
143
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Your thumb is about the same size as your nose.
124
Our Right Lungs takes more air than our left lung.
194
The human brain has the capacity to store everything that you experience.
4k
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Enamel is hardest substance in the human body.
61
The average sperm cell swims at 8 inches per hour.
76