Question

where are smooth muscles located?
they are only in the heart.
they are in the hollow parts of our bodies.
they are attached to our bones.

Explanation:

• Smooth muscles are involuntary and non - striated. Muscles in the heart are cardiac muscles (striated and involuntary, specific to the heart). Muscles attached to bones are skeletal muscles (striated and voluntary). Smooth muscles are found in hollow organs like the digestive tract, blood vessels, urinary bladder, etc. So the correct statement is "They are in the hollow parts of our bodies."

Answer:

They are in the hollow parts of our bodies.