What is the function of a stinging cell in a jellyfish?

It has two functions:
1. Hunting. Using these cells, the jellyfish immobilizes, paralyzes or kills its prey.
2. Protection. The principle of operation of cells remains the same, but it is applied in the case of defense against attacking predators. Upon contact with large animals and humans, jellyfish stinging cells can cause tissue damage of varying degrees, depending on the type of jellyfish and the type of its stinging cells.
Cells differ in the principle of action of the stinging hair. It can be long and sticky, as sharp as a harpoon, or contain a poisonous substance.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.