Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
More people have a phobia of frogs than rats.
41
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
The human heart creates enough pressure to squirt blood 30 ft.
37
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
Human teeth are almost as hard as rocks!
47
The average human body contains enough iron to make a small nail.
50
If you are cold you are more likely to be hungry because you use energy to keep warm.
143