I think why they can run fast is something to do with their feathers.
Yes it does it has a streamlined body
Streamlined often means aerodynamic.
An ostrich has 56 bones in its body.
to fly
yes
Sharks have a streamlined body
cause its fwong
slippy
Yes, they do.
Yes, they do.
It is to swim faster when it is catching their prey and running away from its predator. Its streamlined body shape helps it to swim faster.
because they are thin and and travel smoothly