Big Comparison

Skeletal muscle.

Skeletal muscle.Which muscle is voluntary?

Cardiac and smooth muscle.

Which muscles are involuntary?

Skeletal and cardiac.

Which muscles are striated?

Smooth.

Which muscle is non-striated?

Skeletal and cardiac

Which muscle has sarcomeres?

Smooth

Which muscle does NOT have sarcomeres?

Skeletal and cardiac muscle.

Which muscle uses troponin for calcium regulation?

Smooth muscle.

Which muscle does NOT use troponin?

Calmodulin

What does smooth muscle use instead of troponin?

Skeletal and cardiac muscle.

Which muscle has T-tubules?

Smooth muscle

Which muscle does NOT have T-tubules?

Smooth muscle

Which muscle has the least-developed SR?

Outside the cell.

Where does most calcium come from in smooth muscle?

Internal organs, blood vessels, and parts of the respiratory system.

Where is smooth muscle primarily found?

Heart.

Where is cardiac muscle found?

Where is skeletal muscle found?