Which of the following is not the correct description of cell depicted in the diagram?

• A

  The diagram is of cnidoblast used for anchorage, defense and for the capture of prey.

• B

  Cnidarians project the cnidocyst to capture their prey by building a high internal osmotic pressure.

• C

  Cnidoblasts are present on the ectoderm of tentacles and body of cnidarians .

• D

  Once discharged by muscle contractions, can be reused again.