elastic fibers
A network of spongin or spicules.
What supports a sponge it its agility to love god with all its tentacles, rays, and hole on the bottom of itself.
A sponge doesn't have a body temperature, because a sponge doesn't have a body. But how warm or cold you put the sponge under water or any liquid is the temperature of the sponge.
Water supports a jellyfish's body.
The sponge uses the choanocytes to move a steady current through its body.
The skeletal system supports your body!
Spongocoel, literally 'sponge cavity'.
A sponge.
The arm supports the body tube.
The Musco-skeletal system supports the body
The Musco-skeletal system supports the body
The arm or the frame of the compound microscope supports the body tube.