Your heart rate can rise as much as 30% during a yawn.
69
Your thumb is about the same size as your nose.
124
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Your body is creating and killing 15 million red blood cells per second.
50
We blink 25 times a minute.
51
By weight, Bone is five times stronger than steel.
417