GENERAL HISTOLOGY

Detailed explanation-1: -However, this does not mean that all sea stars have five arms and species with 10, 20, or even 40 arms exist! If one of these arms is lost, a sea star has the amazingly ability to regenerate it.

Detailed explanation-2: -Some animals are known for their ability to regrow – or regenerate – body parts following dramatic injury. Starfish are among the most famous and dramatic examples, being able to grow an entire new body from just a single arm. Starfish also have the ability to regenerate neurons, something not seen in many animals.

Detailed explanation-3: -If they lose an arm, or even most of their body, they are can grow those sections back. So long as one fifth of the central disk and at least one arm remains, the sea star can completely recover. Regeneration can take up to a year.

Detailed explanation-4: -Some species of sea star have the ability to regenerate lost arms or even regenerate a whole new sea star from a single arm attached to a portion of the central disc. Regeneration is possible because each of the arms contains parts of the vital organs including the digestive tract and reproductive organs.

Detailed explanation-5: -Starfish can regenerate their own arms. They have no brain or blood! They wear tough, leathery skin. Starfish have eyes. Starfish move with hundreds of feet. Starfish can eat outside their body. More items