Next, with amazing data, it became clear that the sponge already has a very complex immune system functioning to enable histological (non-) compatible reactions and protection against microorganisms. (Previous review Müller et al., 1999a).
Does the sponge have an immune system?
Sponges do not have the complex immune system of most other animals. However, they reject grafts from other species, but accept grafts from other members of their own species.
What is the role or function of the immune system?
The immune system protects a child's body from external invaders such as bacteria, viruses, fungi, and toxins (chemicals produced by microorganisms). It is made up of various organs, cells, and proteins that work together.
Below you will find two helpful answers on a similar topic. 👇
What does it mean to be born in the year of rabbit?How to choose a pet rabbit for the family?