You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
The human body contains over a billion miles of DNA.
147
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16