As you can see in Fig 27.7, sponges have only three types of cells in their bodies: pinacocytes (epithelial cells), choanocytes (collar cells) and amoebocytes (amoeboid cells).

Don Juan: Well, think how you would feel if you were made to take off this mask that you are wearing. Jack Mickler: Oh, well, our masks really get us in dutch, don't they? How long you been wearing yours?

We could hear the twangings of guitars from the studio.

But the conversation produced no result. In a summit conference the nay-saver is in a position to prevent what his allies desire. An alliance among democratic nations is a Polish parliament in which the liberum veto functions (within certain limits).