The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
The male fetus is capable of attaining an erection during the last trimester.
75
In one day, adult lungs move about 10,000 litres of air.
11
Pain travels through the body at 350 feet per second!
23
Our brains have a negativity bias and will remember bad memories more than good ones.
15
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
At age 70, more than 70 percent of men are still potent!
29