Smooth muscles are
1. voluntary, spindle-shaped, uninucleate
2. involuntary, fusiform, non-striated
3. voluntary, multinucleate, cylindrical
4. involuntary, cylindrical, striated

Which one of the following contains the largest quantity of extracellular material?
1. Myelinated nerve fibres
2. Striated muscle
3. Areolar tissue
4. Stratified epithelium