Tail , fins and body.
they swim,and they were called dogfish because they hunted in packs.
You do not swim with a broken clavicle. You use your hands, legs and body movement. Under no circumstances should you use a broken clavicle or an intact one, yours or anyone else's to swim.
what body part does a cricket use to chirp.
Their is no such thing as a dogfish and they cant FLY because they are not real.
They use their fins to power through the water
body
They use their legs to swim.
They swim by using their flippers. They swim like how a bird flys but underwater
NO "part" you use a bat ...
mouth or gills
seahorses use their tail and fins to swim.