I’m so glad you are enjoying Fun Facts. I learn something new each week, even if it’s weird. I love hearing your comments!
It’s impossible to hum while holding your nose (just try it!).
Skin is the body’s largest organ.
The earth’s circumference is 24,900 miles. (nasa.gov)
All of an adult human’s blood vessels, if laid out end to end, would be about 100,000 miles, so they could encircle the earth four times. (fi.edu)
According to recent research, the human nose can distinguish at least a trillion different odors. (nature.com)