Page 274 - (DK) I Can’t Believe It! 2

272
Body talk

If the DNA from ONE CELL was stretched out, it would be about 6.5 ft (2 m) in length. That’s about as tall as an adult man.
WOW, Every minute, you:
THAT’S • produce 120 million
HANG ON A MINUTE • make 180 tiny
red blood cells in your
L O N G! bone marrow
• shed about
40,000 skin cells

eye movements
• have 70 heartbeats

• take 20 breaths
• process 2.1 pints
your kidneys, making
0.002 pints (1 ml) of urine
THE (1,200 ml) of blood in
STUFF

The SMALLEST
bone in your body
is the size of a
grain of rice. It Rice Stirrup
The DIGESTIVE is called the grain Stirrup shown actual
TRACT is a STIRRUP size: 0.12 x 0.1 in
30 ft and is one of three (3 x 2.5 mm)
(9 m) bones in the ear.
tube running
from your mouth
to your bottom.
That’s almost A fingernail would grow about 90 ft (28 m) if it was never cut.
the length of a
school bus. That’s about the length of four elephants.
The longest bone in the body, the femur (thigh bone) is one-quarter of your height.

US_272_273_309600_TOF_HumanBody.indd 272 19/12/17 3:49 pm