Page 67 - One Million Things: Animal Life - The Incredible Visual Guide
P. 67
Eye rolls backward Pores mark openings
during feeding
Openings to to organs that detect
ears located on for protection electrical signals
top of head just
behind the eyes 3
4
Water passing
6
through
nostrils
carries odors
to smell
7
receptors
5
Taste buds
located in lining
of mouth and gullet
6 SMELL 7 ELECTRICAL SIGNALS
As a shark swims, water flows into When animals move, their muscles
its nostrils and over highly sensitive give off very weak electrical signals.
smell receptors. Once the shark Dotted around the shark’s snout
picks up on an odor trail, it swims are hundreds of pores leading to
toward the source, moving its head sensory organs that can detect those
1 from side to side to pinpoint the electrical signals. Once a shark has
exact location. seen, heard, or smelled its prey and
is closing in, its electrical detectors
take over, using the prey’s weak
electrical signals to strike accurately.
Skin contains
touch, temperature,
and pain receptors
65
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