Sharks do not have a single bone in their body

 Sharks do not have a single bone in their body

Sharks are dangerous sea creatures.  It is a purely carnivorous aquatic creature.  It is found in almost every ocean in the world.  There are more than 50 species of sharks in the world.  Says sharks exist even earlier than dinosaurs.  Sharks do not have a single bone in their body (1).  His whole body is a skeleton made up of cartilage and muscles.  Which weighs very little in proportion to the bones.  Perhaps this is why sharks are so flexible.  They range in size from 3 inches to 3 inches.  Each species of shark has a different shape (2).  Sharks have tiny teeth on their skin.  These teeth are all over his body.  The tooth sandpaper (a kind of rough paper)Are like.  Sharks have about 20 to 5 teeth in their jaws.  Her teeth break every eight days.  His teeth are broken and he is new again in eight days.  Thus, they grow their teeth more than 60,000 times.  Its jaw is very strong and dangerous.

Sharks are very powerful aquatic creatures.  He can keep his focus very well.  Sharks are also called sea monsters.  It can swim very fast in water.  Their swimming speed is 2 to 3 kilometers per hour.  Some species of sharks can swim even faster.  Sharks have a special kind of organ called Says Photospair.  It emits a kind of light that makes it shine even at night.  The shark never sleeps, it just rests.  The body of a shark is heavier than water because of this if swimming It can sink if it shuts down and freezes.  Their sense of smell is very sharp.  It also finds prey in the sand of the sea.  Sharks have a very good hearing ability.  They can also hear and feel the vibrations of other animals in the water.

Most species of sharks give birth to cubs.  However some of their species also lay eggs.  The females that grow in the female shark's womb also eat each other when they feel hungry.  Sharks do not make any noise when they hunt.  This is why sharks are also called cy lunt killers.  Tiger sharks are the most dangerous of the shark species.  They attack humans as soon as they see them.  The lifespan of a shark is up to twenty five years.  However some sharks survive even a hundred years.