9. Which one of the following mammalian cells is not capable of metabolizing glucose to carbon dioxide aerobically? (A) liver cells (B) red blood cells (C) white bold cells (D) un-striated muscle cells

7. What is the function of the cilia in the trachea and bronchi? (A) to sweep air into and out of the lungs (B) to increase the surface area for gas exchange (C) to vibrate when air is exhaled to produce sounds (D) to dislodge food that may have slipped past the epiglottis (E) to sweep mucus with trapped particles up and out of the respiratory tract

9. Which one of the following mammalian cells is not capable of metabolizing glucose to carbon dioxide aerobically?

(A) liver cells

(B) red blood cells

(C) white bold cells

(D) un-striated muscle cells

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