Animal. True or false

The blue whale has a heart ___________ is as big as a large van.
False.
It is as big as a car.

Mice ___________ are kept in laboratories will run up to
3.5 km a night on their wheels.
True.

Polar bears ___________ live in the Arctic are all left-handed and have black skin.
True.

There are a number of animals ___________ tongues are blue, including the black bear, giraffe and chow chow dog.
True.

China and the north of Vietnam are the only places in the world ___________ you can find giant pandas in the wild.
False. They live only in China.

Butterflies ___________ feet contain tiny sensors taste their food by standing on it.
True.

A cockroach ___________ has lost its head can live up to nine days.
True.

There are up to five million people _____ are bitten by snakes every year.
True.

It’s only male mosquitoes ___________ bite, female mosquitoes are vegetarians.
False. Only female mosquitos bite.

Hummingbirds are the only birds ___________ can fly backwards.
True.

The annual number of worldwide shark bites is 10 times less than the number of people _____ are bitten by other people in New York.
True.