1) Which of the following is not one of the four main tissue categories?
2) An epithelial cell with cilia would have them on the ________ surface.
3) Involuntary muscle includes ________.
A) skeletal muscle only
B) smooth muscle only
C) smooth muscle and cardiac muscle
D) smooth muscle, cardiac muscle, and some skeletal muscle
4) Which is the most abundant kind of tissue in most animals?