Sharon is working on a report on smooth muscles. Smooth muscles control involuntary body movements. Sharon drew this image to show a
magnified view of a smooth muscle.
In which of the following body structures would you find smooth muscle? A)Lips B)foot C)upper arm D)blood vessels

D

Explanation:

you don’t have to think about moving your blood vessels which makes it a smooth muscle.

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for example, no new evidence will demonstrate that the earth does not orbit around the sun (heliocentric theory), or that living things are not made of cells (cell theory), that matter is not composed of atoms, or that the surface of the earth is not divided into solid plates that have moved over geological timescales .