Mind Blowing Body Facts

Nerve impulses to and from the brain travel as fast as ______ miles per hour.

• 75

• 170

• 1000

• 25

The brain operates on the same amount of power as a

• nuclear power plant

• computer

• cell phone

• 10 watt light bulb

Your brain uses _____% of the oxygen that enters your blood stream.

• 20

• 10

• 5

• 80

The brain is much more active at night than during the day.

• True

• False

The brain itself cannot feel pain.

• True

• False

_____ % of the brain is water.

• 10

• 50

• 70

• 80

Every day the average person loses _____-_____ strands of hair.

• 10-15

• 300-400

• 60-100

• 0-5

The largest internal organ is the_________.

• small intestine

• large intestine

• heart

• gall bladder

The human heart creates enough pressure to squirt blood _______ feet.

• 5

• 10

• 20

• 30

The acid in your stomach is strong enough to dissolve razor blades.

• False

• True