The strongest muscle.
Jaw
What beats around 100 000 times a day?
Heart
What muscle never tires?
Heart
The fastest muscle?
Eye
How many times do you blink in a minute?
20 times
What filters waste from the blood?
Kidney
What body parts never stop growing?
Ears
How many muscles are in the human body?
About 550
About 650
About 750
650 (639)
What transports oxygen around?
Blood
Which type of blood cells fights viruses?
White blood cells
Do women blink more than men?
Yes
How big is your heart?
Aproximently as big as your fist
What uses around 20% of energy in human body?
Brain
When listening to music, does your heart sync with the music?
No, but it is affected by the music.
How much water does your body contain?
60%
How much does a grown human's brain weigh?
1,5 kg
How many bones are in the human skeleton?
197
206
135
206
How long does an eyelash live before it falls out?
Why is the left lung smaller than the right?
To make room for the heart.
How many muscles do you use to say one word?
More than 80