Final answer:
Muscle types can be distinguished by their characteristics:
- Intercalated disc: Cardiac
- Movement of hair and changes in pupil size: Smooth
- Spindle-shaped: Smooth
- No striations: Smooth
- Spontaneous contractions: Cardiac
- Cylindrical and branched: Cardiac
- Body movement: Skeletal
- Voluntary: Skeletal
- Multiple nuclei located peripherally: Skeletal
Step-by-step explanation:
The question involves classifying characteristics according to whether they belong to skeletal muscle, cardiac muscle, or smooth muscle types. These muscle types have distinct features that allow for their identification. Here is the categorization based on the given characteristics:
- Intercalated disc: Cardiac
- Movement of hair and changes in pupil size: Smooth
- Spindle-shaped: Smooth
- No striations: Smooth
- Spontaneous contractions: Cardiac
- Cylindrical and branched: Cardiac
- Body movement: Skeletal
- Voluntary: Skeletal
- Multiple nuclei located peripherally: Skeletal
Using these classifications, a more comprehensive understanding of the structure and function of various muscle tissues can be formed. Each muscle type plays a vital role in the human body, whether it's in voluntary movement, involuntary functions, or the essential task of pumping blood.