Question

which characteristics are common to both cardiac and smooth muscle? select all that apply. involuntary striated found in the heart long uninucleated

Explanation:

• Involuntary: Both cardiac and smooth muscle are involuntary. Cardiac muscle pumps blood without conscious control, and smooth muscle (e.g., in digestive tract) also functions without voluntary command.
• Uninucleated: Cardiac muscle cells typically have one nucleus (uninucleated), and smooth muscle cells are also uninucleated.
• Striated: Cardiac muscle is striated (has a striped appearance due to sarcomere arrangement), but smooth muscle is non - striated.
• Found in the heart: Only cardiac muscle is found in the heart; smooth muscle is in other organs like the stomach, intestines, blood vessels etc.
• Long: Skeletal muscle cells are long (often called muscle fibers), while cardiac muscle cells are short and branched, and smooth muscle cells are spindle - shaped (not long in the sense of skeletal muscle).

Answer:

Involuntary, Uninucleated