A biopsy from the wall of a blood vessel shows elongated cells that contract without conscious control. Which tissue is present?
Correct answer: C. Smooth muscle tissue
- A. Skeletal muscle tissue
- B. Cardiac muscle tissue
- C. Smooth muscle tissue
- D. Nervous tissue
Explanation
Smooth muscle is involuntary and occurs in the walls of blood vessels and hollow organs. Cardiac muscle is also involuntary, but it is found specifically in the heart and has branching striated cells.
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About Cells and Tissues
Cells and tissues covers cell membranes, cytoplasm, organelles, cell division and the transport of substances into and out of cells. It also explains the four basic tissues, epithelial, connective, muscular and nervous, including their structure, functions and locations, with a distinction between tissue organization and organ structure.
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