Individuals that are heavy smokers may eventually have trouble clearing the mucous from their lungs because the structures that move fluid along the epithelial lining of the lung become damaged over time. What are these structures called?
A. cilia
B. flagella
C. pili
D. cell walls
Answer: A
Biology & Microbiology
You might also like to view...
Which of the following is/are the most common cause of pharyngitis?
A) Escherichia coli B) Staphylococcus aureus C) Streptococcus pyogenes D) viruses
Biology & Microbiology
The membranes that cover the surface of the brain and spinal cord are known as the
A. neurolemma. B. dura mater. C. meninges. D. collagen.
Biology & Microbiology
Those organisms that thrive in an environment free of oxygen are called
a. phytoplankton. b. zooplankton. c. nekton. d. anaerobes. e. aerobic.
Biology & Microbiology
Which of the following is an example of a fibrous joint?
a. The shoulder joint b. The joints between bones in the skull c. The elbow joint d. The vertebral disks
Biology & Microbiology