If you think you know 97001-97004 backward and forward you may be surprised that you should avoid using E/M codes for physical therapists (PTs) and occupational therapists (OTs). However you can report 97001-97004 in addition to a separate E/M service on the same day.
Sponges do have several distinct types of cells, each with different functions. (See FIG.) The body wall of a sponge is perforated by numerous pores or ostia through which water is drawn into a central cavity called the spongocoel or central cavity. The osculum is a large opening at one end of the sponge through which all the resulting excurrent is evacuated.
Two functions of a clam's gills are to extract oxygen from the water and separate sand particles from food particles and water when being digested.he gill filaments are the hair-like structures on the gills which absorb the oxygen from the lamallae. The gill arch, on the other hand, acts as a form of muscle which holds â¦ the structures of the gills together. ~Sincerely, A Smarty pants :). + 21 others found this useful.