An octopus has
ten hearts.
three hearts.
Octopus blood is
yellow.
blue.
Blue whale is
the largest animal.
the smallest animal.
Blue whale's heart is
as big as a plane.
as big as a small car.
An electric eel can produce enough electricity
to light up ten bulbs.
to light up 1000 bulbs.
Honeybees can
can recognize human faces.
can sleep with humans.
An ostrich's eye is
bigger than its brain.
smaller than its brain.
A pinecone fish has natural
headlights to find food in the dark.
eyes to have fun in the dark.
A shrimp's heart is
in its tummy.
in its head.
Nocturnal geckos have no
eyes.
eyelids.
Nocturnal geckos clean their eyes
with their hands.
with their tongues.
