Sponges do not have blood. They do not have a circulatory system either.
Do_jellyfish_circulate_blood
no i don't think so
Blood cells
Yes, because you have sponges that are filled with blood and the sheets are getting dirty from the person's blood.
These creatures have a simple circulatory system that helps transport nutrients, gases, and waste products throughout their bodies. The "blood" in these creatures does not contain red blood cells like in more complex animals, but instead consists of a fluid that serves similar functions in their bodies.
No, sea sponges are not decomposers. Sponges are filter feeders.
no sponges are not unicellular.
No, sponges are not parasitic.
no sponges do not have bones
Sponges are asymmetrical, although a few species have nearly radial symmetry.
beige or cream colorThey can be just about any color
To answer your question no sponges do not hibernate