Sharks, unlike humans have only 5 systems. They have hearing, smell, taste and touch. In addition they can detect weak electric fields in the water.
Some of these sense are more accurate in sharks than in humans.
their smell organ is more developed than humans.
They don't. HUmans being attacked by Sharks is rare. humans actually being eaten is doubly rare.
apparently sharks do not have bones they have cartalige like humans ears and noses
Yes, sharks' teeth are breakable just like us humans.
Sharks might eat a human or bruise him for life more like a scar
yes, sharks take small oxygen bubles and breath them through there gills
Sharks do not use their nose to breathe like humans do.
the enemies are sharks, orca whales and humans like you.
Yes, Australia has many sharks, many of them close to the cost like the Port Jackson shark. Nearly all sharks are harmless to humans
Because some humans like to kill things for "research"... >:(
Sometimes.most of the time some sharks will attack for no reason .they like to feed on blood by other organisms.other times sharks will mistake us for fish and kill or eat people.
other fish like squid, mackerel, and octopus
sharks are dangerous but there are things far more dangerous to humans like mosquitos.