In a biology lab, a student has been asked to identify smooth muscles by looking at samples on the table. the student correctly identifies the smooth muscle because it is in the muscle in the shape of a. ropesb. circular cellsc. flat layersd. bundles

D. bundles

Explanation:

The smooth muscle cells are small. These cells are spindle in shape and they do not exhibit striations. They appear in the form of bundles of thin and thick filaments.

The smooth muscles are involuntary muscles. The cells of these muscles have nucleus that is located in the center. These muscles contract automatically and slowly.

On the basis of the above description, the description of the smooth muscles can be related to the bundles.

answer(b) keep oxygenated and deoxygenated blood separate;