One.
One.
About 21
The body of a sponge is covered in tiny openings called pores. These pores allow water to flow in and out of the sponge, which helps the sponge filter out food particles and oxygen from the surrounding water.
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.
Ostium.
9 on his front
3 parts to the body
The human body has many parts.
3 body parts
The Amoebocytes in sponges travel freely in the Mesenchyme. They digest food that the sponge has extracted from the water and transport the digested food to the parts of the sponge that need it.
The sponge uses the choanocytes to move a steady current through its body.
He did have many body parts in his refrigerator and a barrel of acid with some more body parts.