a sponge has zero eyes thats all I know!
They have 5 hearts. =)
They have three hearts
yes. There are many including th oklawa and the carolina sponge .
none
One.
None
None.
1
Five hearts
30 or 50 hearts
The sponge is an actual living entity. There are many types of sponge. They are harvested and sold as "natural sea sponges".