Your thumb is about the same size as your nose.
124
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
In one day, adult lungs move about 10,000 litres of air.
11
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Your body is creating and killing about 2.4 million red blood cells per second.
17