| Answer | Crossword Clue |
|---|---|
| BUF | -- -Puf (body sponge) |
| BUF | -- -Puf (facial sponge) |
| ostium | one of the tiny holes in the body of a sponge |
| ostia | one of the tiny holes in the body of a sponge |
| mesoglea | the noncellular, gelatinous material between the inner and outer body walls of a coelenterate or sponge |
| wetsuit | a close-fitting suit made of material (as sponge rubber) that is worn (as by a skin diver) especially in cold water to retain body heat and that traps a thin layer of water against the body |
