★ Cell Structure and Functions Quiz
Both smooth muscle fibers and cardiac muscle fibers:
A. have striations.
B. are under involuntary control.
C. are multinucleate.
D. have branching
Select your answer:
Topics:
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Pulmonology › ViewMicroorganisms removed from incoming air by the mucus of the respiratory tract are ultimately exposed to and destroyed by
A. toxins in the mucus.
B. the cilia.
C. stomach acids and enzymes.
D. a lack of nutrients.
E. alveolar macrophages.
Cell › View
The ___ is the basic unit of sturucture and function of organisms
A. atom
B. cell
C. matter
D. all other answers are correct